Graph Using a Table of Values 2x+y=8

$2 x + y = 8$

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

$2 (- 2) + y = 8$

Solve the equation for $y$ .

Multiply $2$ by $- 2$ .

$- 4 + y = 8$

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

Add $4$ to both sides of the equation.

$y = 8 + 4$

Add $8$ and $4$ .

$y = 12$

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

$2 (- 1) + y = 8$

Solve the equation for $y$ .

Multiply $2$ by $- 1$ .

$- 2 + y = 8$

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

Add $2$ to both sides of the equation.

$y = 8 + 2$

Add $8$ and $2$ .

$y = 10$

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

$2 (0) + y = 8$

Simplify $2 (0) + y$ .

Multiply $2$ by $0$ .

$0 + y = 8$

Add $0$ and $y$ .

$y = 8$

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

$2 (1) + y = 8$

Solve the equation for $y$ .

Multiply $2$ by $1$ .

$2 + y = 8$

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

Subtract $2$ from both sides of the equation.

$y = 8 - 2$

Subtract $2$ from $8$ .

$y = 6$

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

$2 (2) + y = 8$

Solve the equation for $y$ .

Multiply $2$ by $2$ .

$4 + y = 8$

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

Subtract $4$ from both sides of the equation.

$y = 8 - 4$

Subtract $4$ from $8$ .

$y = 4$

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

$\begin{array}{c} x & y \\ - 2 & 12 \\ - 1 & 10 \\ 0 & 8 \\ 1 & 6 \\ 2 & 4 \end{array}$

Graph Using a Table of Values 2x+y=8

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