# How do you solve 3x+11=7x-5?

Mar 4, 2018

Subtract $3 x$ from both sides
$\cancel{3 x} - \cancel{3 x} + 11 = 7 x - 3 x - 5$
You get
$11 = 4 x - 5$
$11 + 5 = 4 x - \cancel{5} + \cancel{5}$
$16 = 4 x$
$\frac{16}{4} = \frac{4 x}{4}$
$4 = x$