\[g=ca-b\]

Solving for a. Want to solve for c or solve for b instead?
1
Add bb to both sides.
g+b=cag+b=ca

2
Divide both sides by cc.
g+bc=a\frac{g+b}{c}=a

3
Switch sides.
a=g+bca=\frac{g+b}{c}

Done

How can we make this solution more helpful?