If it's not what You are looking for type in the equation solver your own equation and let us solve it.
12.5x+15x=1642
We move all terms to the left:
12.5x+15x-(1642)=0
We add all the numbers together, and all the variables
27.5x-1642=0
We move all terms containing x to the left, all other terms to the right
27.5x=1642
x=1642/27.5
x=59+13/18.333333333333
| 117=45+12g | | 2/5m-8=-4 | | 3(6+x)=9 | | 700=4.9*t2 | | 7r-2(3r-4)=11 | | 3x-3=-0.2x+2 | | 2+3.5q=5+3.25q | | 4(-x-+4)=12 | | 2-4a=-2(-1+2a) | | 343=-7(-6x-1) | | -1(1x-2)=-1-1x | | 2x+70=2x-5 | | .25(a-8)=7 | | 4m+18+4m=20m-42m-2m | | 8b+12-b=8+4 | | (180-97+x)+27+64=180 | | -7+35=7(7p-3) | | 1/3(18+12t)=6(2+7) | | 1,4040-50x=+20x | | 1.6x+0.3=2.1-0.4x | | -5x+12=12x-12 | | -5x-12=-5x-12 | | 4x+16=1+1x | | C=15+3r50 | | -5x+12=5x-12 | | 2(3x-3)+9=27 | | 3x+6=-5x-90 | | -7.8+7.2x=1.6-8x | | 215=32(49x+5) | | 7x-21=51 | | 2x+8=8x-35 | | -8-2x=5x-50 |