# How do you solve for a in A = h(a + b)?

Mar 11, 2018

$a = \frac{A}{h} - b$

#### Explanation:

Rewrite the equation:
$A = h \left(a + b\right)$
$\frac{1}{h} \cdot A = h \left(a + b\right) \cdot \frac{1}{h}$
$\frac{A}{h} = a + b$
$\frac{A}{h} - b = a + b - b$
$\frac{A}{h} - b = a$