If it's not what You are looking for type in the equation solver your own equation and let us solve it.
800+20x=30x
We move all terms to the left:
800+20x-(30x)=0
We add all the numbers together, and all the variables
-10x+800=0
We move all terms containing x to the left, all other terms to the right
-10x=-800
x=-800/-10
x=+80
| 8x-4=10×-12 | | 8x–4=10x–12 | | 1/2(16x+4)-19=-1/3(9x-12) | | 7/2=x/40 | | 399.82=220+0.81x | | -y+5=7 | | 6/5d-5=-17 | | 4x^2-66x+135=0 | | -4-7n=45 | | x+20=54 | | 32-2y=-5 | | 4x3+-48x2+135x+-56=0 | | x+1/3x+(1/3)x-4+2(1/3x-4)=72 | | x+x+(1/3)x-4+2(1/3x-4)=72 | | 15x-18.50=13x | | s-13=21s=34 | | N+n+n=12-31 | | n÷7=3n=21 | | -3x-1(x+1)=-9 | | 5-1(x+1)=3x-4 | | 3x+18=21.3 | | 4x=25x=6 | | A(n)=4*3^n-1 | | 11+3b=-7-8(b+6) | | 80+x+2x+70=360. | | 88=1/2x+150 | | 20/75=x/30 | | 4200/8500=5/x | | 20.88x3=145 | | -7n-19=3(n-3) | | 9x-18-(3x-5)=40 | | 2/3x+4=2x-1 |