Question

$5x - 30 + 2x = 180$
$find \: x$

Answer 1

5x - 30 + 2x = 180
5x + 2x = 180 + 30
7x = 210
x = 210/7
x = 30
please mark my answer as the brainliest if you think my answer helped you.

Answer 2

$5x - 30 + 2x = 180 \\ \: \: \: \: \: \: \: \: \: \: 7x - 30 = 180 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 7x = 180 + 30 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: 7x = 210 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: x = \frac{210}{7} \\ \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: x = 30$