If it's not what You are looking for type in the equation solver your own equation and let us solve it.
20x-8x=40
We move all terms to the left:
20x-8x-(40)=0
We add all the numbers together, and all the variables
12x-40=0
We move all terms containing x to the left, all other terms to the right
12x=40
x=40/12
x=3+1/3
| 3x+6=4x-14-x | | .8x+17.92=273.92 | | 12x-3(4x-5)=15 | | 6(x+2)=9x+48 | | 2x+26=26 | | 1=-4(-6d+5/13)+5 | | 17a+18=-8a-7 | | 17a+18=-a-7 | | (5x-32)=(34x-4) | | -13k-4=-3k+66 | | 2x-25=86 | | -2h+6=-14h+78 | | 125x=1 | | 5x5x5x=1 | | 2(7x+5)=-2(-7x-5) | | -3y+12=12y-18 | | (3.2)4(5x+9)=38 | | (x-50)3x=150 | | 5(x+100)-10x+3(4x+11)=596 | | m-18=-19 | | 7a-3=1 | | -5=d/4-3 | | -6.5x+24.6=-46.9 | | 7=x/4-14 | | (w/4)-17=19 | | 2.50g+3=15.5 | | Y=-15/4x-18 | | v/4-11=14 | | 7y-2=2y | | 12b+24=27 | | -0.4/x=2 | | 10n+20=50 |