Graph Using a Table of Values 3x-5y=15

$3 x - 5 y = 15$

Step 1

Substitute $- 2$ for $x$ and find the result for $y$ .

$3 (- 2) - 5 y = 15$

Step 2

Solve the equation for $y$ .

Multiply $3$ by $- 2$ .

$- 6 - 5 y = 15$

Move all terms not containing $y$ to the right side of the equation.

Add $6$ to both sides of the equation.

$- 5 y = 15 + 6$

Add $15$ and $6$ .

$- 5 y = 21$

Divide each term in $- 5 y = 21$ by $- 5$ and simplify.

Divide each term in $- 5 y = 21$ by $- 5$ .

$\frac{- 5 y}{- 5} = \frac{21}{- 5}$

Simplify the left side.

Cancel the common factor of $- 5$ .

Cancel the common factor.

$\frac{- 5 y}{- 5} = \frac{21}{- 5}$

Divide $y$ by $1$ .

$y = \frac{21}{- 5}$

Simplify the right side.

Move the negative in front of the fraction.

$y = - \frac{21}{5}$

Step 3

Substitute $- 1$ for $x$ and find the result for $y$ .

$3 (- 1) - 5 y = 15$

Step 4

Solve the equation for $y$ .

Multiply $3$ by $- 1$ .

$- 3 - 5 y = 15$

Move all terms not containing $y$ to the right side of the equation.

Add $3$ to both sides of the equation.

$- 5 y = 15 + 3$

Add $15$ and $3$ .

$- 5 y = 18$

Divide each term in $- 5 y = 18$ by $- 5$ and simplify.

Divide each term in $- 5 y = 18$ by $- 5$ .

$\frac{- 5 y}{- 5} = \frac{18}{- 5}$

Simplify the left side.

Cancel the common factor of $- 5$ .

Cancel the common factor.

$\frac{- 5 y}{- 5} = \frac{18}{- 5}$

Divide $y$ by $1$ .

$y = \frac{18}{- 5}$

Simplify the right side.

Move the negative in front of the fraction.

$y = - \frac{18}{5}$

Step 5

Substitute $0$ for $x$ and find the result for $y$ .

$3 (0) - 5 y = 15$

Step 6

Solve the equation for $y$ .

Simplify $3 (0) - 5 y$ .

Multiply $3$ by $0$ .

$0 - 5 y = 15$

Subtract $5 y$ from $0$ .

$- 5 y = 15$

Divide each term in $- 5 y = 15$ by $- 5$ and simplify.

Divide each term in $- 5 y = 15$ by $- 5$ .

$\frac{- 5 y}{- 5} = \frac{15}{- 5}$

Simplify the left side.

Cancel the common factor of $- 5$ .

Cancel the common factor.

$\frac{- 5 y}{- 5} = \frac{15}{- 5}$

Divide $y$ by $1$ .

$y = \frac{15}{- 5}$

Simplify the right side.

Divide $15$ by $- 5$ .

$y = - 3$

Step 7

Substitute $1$ for $x$ and find the result for $y$ .

$3 (1) - 5 y = 15$

Step 8

Solve the equation for $y$ .

Multiply $3$ by $1$ .

$3 - 5 y = 15$

Move all terms not containing $y$ to the right side of the equation.

Subtract $3$ from both sides of the equation.

$- 5 y = 15 - 3$

Subtract $3$ from $15$ .

$- 5 y = 12$

Divide each term in $- 5 y = 12$ by $- 5$ and simplify.

Divide each term in $- 5 y = 12$ by $- 5$ .

$\frac{- 5 y}{- 5} = \frac{12}{- 5}$

Simplify the left side.

Cancel the common factor of $- 5$ .

Cancel the common factor.

$\frac{- 5 y}{- 5} = \frac{12}{- 5}$

Divide $y$ by $1$ .

$y = \frac{12}{- 5}$

Simplify the right side.

Move the negative in front of the fraction.

$y = - \frac{12}{5}$

Step 9

Substitute $2$ for $x$ and find the result for $y$ .

$3 (2) - 5 y = 15$

Step 10

Solve the equation for $y$ .

Multiply $3$ by $2$ .

$6 - 5 y = 15$

Move all terms not containing $y$ to the right side of the equation.

Subtract $6$ from both sides of the equation.

$- 5 y = 15 - 6$

Subtract $6$ from $15$ .

$- 5 y = 9$

Divide each term in $- 5 y = 9$ by $- 5$ and simplify.

Divide each term in $- 5 y = 9$ by $- 5$ .

$\frac{- 5 y}{- 5} = \frac{9}{- 5}$

Simplify the left side.

Cancel the common factor of $- 5$ .

Cancel the common factor.

$\frac{- 5 y}{- 5} = \frac{9}{- 5}$

Divide $y$ by $1$ .

$y = \frac{9}{- 5}$

Simplify the right side.

Move the negative in front of the fraction.

$y = - \frac{9}{5}$

Step 11

This is a table of possible values to use when graphing the equation.

$\begin{array}{c} x & y \\ - 2 & - \frac{21}{5} \\ - 1 & - \frac{18}{5} \\ 0 & - 3 \\ 1 & - \frac{12}{5} \\ 2 & - \frac{9}{5} \end{array}$

Step 12

Graph Using a Table of Values 3x-5y=15

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