# How do you solve for x: in 4( X - 1) + 1 = 3( X + 7)?

Jul 17, 2016

$X = 24$ is the soln.

#### Explanation:

$4 \left(X - 1\right) + 1 = 3 \left(X + 7\right)$

$\therefore 4 X - 4 + 1 = 3 X + 21$

$\therefore 4 X - 3 X = 21 + 4 - 1$

$\therefore X = 24$ is the soln.