If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2m+12=42
We move all terms to the left:
2m+12-(42)=0
We add all the numbers together, and all the variables
2m-30=0
We move all terms containing m to the left, all other terms to the right
2m=30
m=30/2
m=15
| 2(-x+7)=-8 | | 3(x+1)=6x+3 | | 5n^2+4=745n | | 3(x-11)=51 | | w4 − 2 = 2 | | -2(-x-3)=-8 | | 5x-10=5x-20 | | 5(x+8)=-25 | | 2x•4=x+3•4 | | 5f-3=22 | | 5=3w−1 | | 180=5x+65 | | 7x=4x+6+2x-5 | | (x-7)2=44 | | x3+2x=87 | | -3(x-9)=27 | | |6-n|+4n=10 | | 2x-8=9x+1 | | 8(2y-1)-17(3-y)=16(3y-2) | | 16a+14a=270 | | 9x+140=14 | | x=-7(3x-2-5x-1) | | 5x-140=14 | | x=-7x3x-2-5x-1 | | 1x=(3x-4x+7) | | 9x-140=14 | | 5(m-9)=4(8+m) | | 7x–3=4(x+2)+2x-8 | | 7x–3=4(x+2)+2x–8 | | 7x2+51x-40=0 | | 1.33x-26=180 | | -4x-20=9x-5 |