Algebra Examples

$2 x - y = 7$

Step 1

Add $y$ to both sides of the equation.

$2 x = 7 + y$

Step 2

Divide each term in $2 x = 7 + y$ by $2$ and simplify.

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Step 2.1

Divide each term in $2 x = 7 + y$ by $2$ .

$\frac{2 x}{2} = \frac{7}{2} + \frac{y}{2}$

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.

$\frac{2 x}{2} = \frac{7}{2} + \frac{y}{2}$

Step 2.2.1.2

Divide $x$ by $1$ .

$x = \frac{7}{2} + \frac{y}{2}$