If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-87=3m
We move all terms to the left:
-87-(3m)=0
We move all terms containing m to the left, all other terms to the right
-3m=87
m=87/-3
m=-29
| F(x)=1/(3-2x)^2 | | 3(5y+3)= 39 | | x5x−8+4x=17+2x+x | | k-21/3=91/2 | | 25-19=3(x-3) | | 41/2+d=10 | | 5x−8+4x=17+2x+x | | 9+(-14)=y | | 90+(n+18)+(2n)=180 | | 11.6-3(5.1-t)=4.7t-(5-t) | | -52x+3=7 | | (3(x+4)+2x)/9=30.75(x-12)-14=2x+12 | | 2x3+6=60 | | t-28=58 | | 1/2(4x+10)=45 | | F-3=4x+5 | | -3,4x+13000=0,2x+5800 | | k2+8k+22= 6 | | 1/8x-1/2=3/4 | | k2+8k+22= 66 | | y=2y-58 | | F(x)=2•-4+3 | | 2x-68=180 | | x2 +11x+18=(X+2)(X+9) | | 140+35x= | | 0.65c=9.10 | | t=750(0.04)3 | | 13w=42+7w | | t=75(0.04)3 | | 25-4y=y | | 2(x+1)-(x-2)=10 | | z=3z-76 |