# How do you solve (15-a)/3=-9?

Dec 24, 2016

$\frac{15 - a}{3} = - 9$

or, $\frac{15 - a}{3} \ast 3 = - 9 \cdot 3$

or, $15 - a = - 27$

or, $15 - 15 - a = - 27 - 15$

or, $- a = - 42$

or, $\cancel{-} a = \cancel{-} 42$

or, $a = 42$