If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9x-80=4x
We move all terms to the left:
9x-80-(4x)=0
We add all the numbers together, and all the variables
5x-80=0
We move all terms containing x to the left, all other terms to the right
5x=80
x=80/5
x=16
| +0.75x=0.875x-10 | | 7x+2=3x96 | | 3x+50=2x+600 | | 2x−4=−2(−x+2) | | p/6+3=18 | | 72+(2x+8)=90 | | 34y^2+8y-119=0 | | (1/5x)-12=-3 | | 7x-9-2x=-39 | | 7x+2=3x44 | | 6/5w−12/7=−4/3w−6/13 | | -3w+9=-5w-1 | | c(0)=14 | | 3(4x−5)+4x−7= | | -4.7*g=-28.2 | | 3w-30=2w | | (5x-4)+(7x-15)+(6x+1)=180 | | (7n+63)=-63 | | -2-2y=-6y | | 125m-75m+38,600=40,600-150m | | 4(x-1)÷8=2(x+1)÷6 | | c(0)=4 | | 3/2(7/3m-1=2 | | 6+3p=2p-1 | | 7x-10=-2(x-4)+9 | | c/5+12=12 | | (5x-4)+(7x-15)+6x+1)=180 | | 9+5v=8v | | 3(v+4)+4(-2-v)=16 | | -2m/8+m+1=0 | | 3v+-3v+-6=-3 | | 3x=2=-x=7 |