If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2-m=-18
We move all terms to the left:
2-m-(-18)=0
We add all the numbers together, and all the variables
-1m+20=0
We move all terms containing m to the left, all other terms to the right
-m=-20
m=-20/-1
m=+20
| -6=2(3+x) | | 5+2x=1+10x | | 3x+5+2x+2+3x-5=90 | | -1+4v=39 | | p−3p=−4 | | u+5.33=8.35 | | 12-m=-29 | | 5x+15=9x-33 | | 5x+21=76 | | 999k+1k=1M | | 4a+6-3a=13 | | 6x+14(2x-1)=10 | | 7=x+2.5 | | 7/k=5 | | 10+10=-5(3x-4) | | 3-2y+8=-27 | | 25-2x=7-8 | | 7x-10x-+18+2x=-5 | | 8x²+31x+21=0 | | 4m-6-6m+11=18 | | 3y-20=-7 | | z+31/2=1 | | 1k+1k=2k | | 6=3/2u | | 2x–1/2=–15 | | -(x-3)+4x=6x-12 | | 9x+3=35+1x | | 3(x+2)-6x=18 | | 5x+21=104 | | -16h+5(4h+4)=20+3h+h | | 1e+31+1e+31=2e+31 | | 8x-17=5x+19+180 |