# How do you solve for x in x+a=b ?

Jan 25, 2017

Subtracted $\textcolor{red}{a}$ from each side of the equation to solve for $x$ while keeping the equation balanced:

$x + a - \textcolor{red}{a} = b - \textcolor{red}{a}$

$x + 0 = b - a$

$x = b - a$