Graph -2x+4y=6 x-2y=-3

$- 2 x + 4 y = 6$ $x - 2 y = - 3$

Graph $- 2 x + 4 y = 6$ .

Solve for $y$ .

Add $2 x$ to both sides of the equation.

$4 y = 6 + 2 x$

Divide each term in $4 y = 6 + 2 x$ by $4$ and simplify.

Divide each term in $4 y = 6 + 2 x$ by $4$ .

$\frac{4 y}{4} = \frac{6}{4} + \frac{2 x}{4}$

Simplify the left side.

Cancel the common factor of $4$ .

Cancel the common factor.

$\frac{4 y}{4} = \frac{6}{4} + \frac{2 x}{4}$

Divide $y$ by $1$ .

$y = \frac{6}{4} + \frac{2 x}{4}$

Simplify the right side.

Simplify each term.

Cancel the common factor of $6$ and $4$ .

Factor $2$ out of $6$ .

$y = \frac{2 (3)}{4} + \frac{2 x}{4}$

Cancel the common factors.

Factor $2$ out of $4$ .

$y = \frac{2 \cdot 3}{2 \cdot 2} + \frac{2 x}{4}$

Cancel the common factor.

$y = \frac{2 \cdot 3}{2 \cdot 2} + \frac{2 x}{4}$

Rewrite the expression.

$y = \frac{3}{2} + \frac{2 x}{4}$

Cancel the common factor of $2$ and $4$ .

Factor $2$ out of $2 x$ .

$y = \frac{3}{2} + \frac{2 (x)}{4}$

Cancel the common factors.

Factor $2$ out of $4$ .

$y = \frac{3}{2} + \frac{2 x}{2 \cdot 2}$

Cancel the common factor.

$y = \frac{3}{2} + \frac{2 x}{2 \cdot 2}$

Rewrite the expression.

$y = \frac{3}{2} + \frac{x}{2}$

Rewrite in slope-intercept form.

The slope-intercept form is $y = m x + b$ , where $m$ is the slope and $b$ is the y-intercept.

$y = m x + b$

Reorder $\frac{3}{2}$ and $\frac{x}{2}$ .

$y = \frac{x}{2} + \frac{3}{2}$

Reorder terms.

$y = \frac{1}{2} x + \frac{3}{2}$

Use the slope-intercept form to find the slope and y-intercept.

Find the values of $m$ and $b$ using the form $y = m x + b$ .

$m = \frac{1}{2}$

$b = \frac{3}{2}$

The slope of the line is the value of $m$ , and the y-intercept is the value of $b$ .

Slope: $\frac{1}{2}$

y-intercept: $(0, \frac{3}{2})$

Slope: $\frac{1}{2}$

y-intercept: $(0, \frac{3}{2})$

Any line can be graphed using two points. Select two $x$ values, and plug them into the equation to find the corresponding $y$ values.

Write in $y = m x + b$ form.

Reorder $\frac{3}{2}$ and $\frac{x}{2}$ .

$y = \frac{x}{2} + \frac{3}{2}$

Reorder terms.

$y = \frac{1}{2} x + \frac{3}{2}$

Find the x-intercept.

To find the x-intercept(s), substitute in $0$ for $y$ and solve for $x$ .

$0 = \frac{1}{2} x + \frac{3}{2}$

Solve the equation.

Rewrite the equation as $\frac{1}{2} x + \frac{3}{2} = 0$ .

$\frac{1}{2} x + \frac{3}{2} = 0$

Combine $\frac{1}{2}$ and $x$ .

$\frac{x}{2} + \frac{3}{2} = 0$

Subtract $\frac{3}{2}$ from both sides of the equation.

$\frac{x}{2} = - \frac{3}{2}$

Since the expression on each side of the equation has the same denominator, the numerators must be equal.

$x = - 3$

x-intercept(s) in point form.

x-intercept(s): $(- 3, 0)$

Find the y-intercept.

To find the y-intercept(s), substitute in $0$ for $x$ and solve for $y$ .

$y = \frac{1}{2} \cdot (0) + \frac{3}{2}$

Solve the equation.

Multiply $\frac{1}{2}$ by $0$ .

$y = \frac{1}{2} \cdot 0 + \frac{3}{2}$

Remove parentheses.

$y = \frac{1}{2} \cdot (0) + \frac{3}{2}$

Simplify $\frac{1}{2} \cdot (0) + \frac{3}{2}$ .

Multiply $\frac{1}{2}$ by $0$ .

$y = 0 + \frac{3}{2}$

Add $0$ and $\frac{3}{2}$ .

$y = \frac{3}{2}$

y-intercept(s) in point form.

y-intercept(s): $(0, \frac{3}{2})$

Create a table of the $x$ and $y$ values.

$\begin{array}{c} x & y \\ - 3 & 0 \\ 0 & \frac{3}{2} \end{array}$

Graph the line using the slope and the y-intercept, or the points.

Slope: $\frac{1}{2}$

y-intercept: $(0, \frac{3}{2})$

$\begin{array}{c} x & y \\ - 3 & 0 \\ 0 & \frac{3}{2} \end{array}$

Slope: $\frac{1}{2}$

y-intercept: $(0, \frac{3}{2})$

$\begin{array}{c} x & y \\ - 3 & 0 \\ 0 & \frac{3}{2} \end{array}$

Plot each graph on the same coordinate system.

$- 2 x + 4 y = 6$

$x - 2 y = - 3$

Graph -2x+4y=6 x-2y=-3

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