How do you solve x+3x - 4= 32?

Feb 10, 2016

x = 9

Explanation:

x + 3x - 4 = 32

add 4 to both sides : x + 3x - 4 + 4 = 32 + 4

so 4x = 36

divide both sides by 4

$\frac{\cancel{4} x}{\cancel{4}} = \frac{36}{4} \Rightarrow x = 9$