If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-20+m=-3
We move all terms to the left:
-20+m-(-3)=0
We add all the numbers together, and all the variables
m-17=0
We move all terms containing m to the left, all other terms to the right
m=17
| q/4+8=5 | | 3x+6/35=2x-18/5 | | 12x+8-16=28 | | 5z+130=8z |