If it's not what You are looking for type in the equation solver your own equation and let us solve it.
8x-20=612
We move all terms to the left:
8x-20-(612)=0
We add all the numbers together, and all the variables
8x-632=0
We move all terms containing x to the left, all other terms to the right
8x=632
x=632/8
x=79
| 25c-12=88 | | 8.5x=5.5x+12 | | (-2x-1)/(-x+3)=4 | | 52=4q+8 | | 3x+6/15-(5x-10/15)=-4 | | m/9+80=85 | | 1.4(y-2)=-0.6(y+0.3) | | B=2x+56° | | 1.01x+15=x | | 30=r/2+23 | | 2=2(w-5) | | 40-5g=-40 | | (8+b)5/2=50 | | h/8+74=83 | | 4y-23=21 | | 9h-19=35 | | 9j-22=32 | | x/12=10/10 | | n/2+15=20 | | 13+2c=35 | | x/12=1/10 | | -y7+3=-25 | | x+3x+36=180 | | 11=7+2d | | x°+36°=180° | | P=50+12n | | x°+3x°+36°=180° | | 60=6(f-83) | | -34+7r=-7(5-r)+1 | | a=(5×61)+9 | | i-4.7=3.2 | | 5b–6=39 |