Pre-Algebra Examples

$y = \frac{a + b + c}{4}$

Step 1

Rewrite the equation as $\frac{a + b + c}{4} = y$ .

$\frac{a + b + c}{4} = y$

Step 2

Multiply both sides of the equation by $4$ .

$4 \frac{a + b + c}{4} = 4 y$

Step 3

Simplify the left side.

Tap for more steps...

Step 3.1

Cancel the common factor of $4$ .

Tap for more steps...

Step 3.1.1

Cancel the common factor.

$4 \frac{a + b + c}{4} = 4 y$

Step 3.1.2

Rewrite the expression.

$a + b + c = 4 y$

Step 4

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

Tap for more steps...

Step 4.1

Subtract $a$ from both sides of the equation.

$b + c = 4 y - a$

Step 4.2

Subtract $c$ from both sides of the equation.

$b = 4 y - a - c$