Basic Math Examples

$4 = \frac{a + 10}{2}$

Step 1

Rewrite the equation as $\frac{a + 10}{2} = 4$ .

$\frac{a + 10}{2} = 4$

Step 2

Multiply both sides of the equation by $2$ .

$2 \frac{a + 10}{2} = 2 \cdot 4$

Step 3

Simplify both sides of the equation.

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Step 3.1

Simplify the left side.

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Step 3.1.1

Cancel the common factor of $2$ .

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Step 3.1.1.1

Cancel the common factor.

$2 \frac{a + 10}{2} = 2 \cdot 4$

Step 3.1.1.2

Rewrite the expression.

$a + 10 = 2 \cdot 4$

Step 3.2

Simplify the right side.

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Step 3.2.1

Multiply $2$ by $4$ .

$a + 10 = 8$

Step 4

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

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Step 4.1

Subtract $10$ from both sides of the equation.

$a = 8 - 10$

Step 4.2

Subtract $10$ from $8$ .

$a = - 2$