Pre-Algebra Examples

$2 y = 6 x + 4$

Step 1

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

$y = m x + b$

Step 2

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

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Step 2.1

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

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

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of $2$ .

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Step 2.2.1.1

Cancel the common factor.

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

Step 2.2.1.2

Divide $y$ by $1$ .

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

Step 2.3

Simplify the right side.

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Step 2.3.1

Simplify each term.

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Step 2.3.1.1

Cancel the common factor of $6$ and $2$ .

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Step 2.3.1.1.1

Factor $2$ out of $6 x$ .

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

Step 2.3.1.1.2

Cancel the common factors.

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Step 2.3.1.1.2.1

Factor $2$ out of $2$ .

$y = \frac{2 (3 x)}{2 (1)} + \frac{4}{2}$

Step 2.3.1.1.2.2

Cancel the common factor.

$y = \frac{2 (3 x)}{2 \cdot 1} + \frac{4}{2}$

Step 2.3.1.1.2.3

Rewrite the expression.

$y = \frac{3 x}{1} + \frac{4}{2}$

Step 2.3.1.1.2.4

Divide $3 x$ by $1$ .

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

Step 2.3.1.2

Divide $4$ by $2$ .

$y = 3 x + 2$