Pre-Algebra Examples

$5 c = 21 + 4 c$

Step 1

Subtract $4 c$ from both sides of the equation.

$5 c - 4 c = 21$

Step 2

Subtract $4 c$ from $5 c$ .

$c = 21$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$