If it's not what You are looking for type in the equation solver your own equation and let us solve it.
15x-12=3x+8x
We move all terms to the left:
15x-12-(3x+8x)=0
We add all the numbers together, and all the variables
15x-(+11x)-12=0
We get rid of parentheses
15x-11x-12=0
We add all the numbers together, and all the variables
4x-12=0
We move all terms containing x to the left, all other terms to the right
4x=12
x=12/4
x=3
| 15x-12x=3x+8 | | 15-12x=3x+8 | | 15-12=3x+8 | | (-4)+q=(-5) | | 9x+15=15-3x | | X^2+x-9900=0 | | x^2-4=780 | | 1/6+x=14 | | 2x+(3x-20)=90 | | x/6+x=14x | | x/6=x/14x | | 1/6-x=14 | | 15x+30/3=21 | | (2x+4)/2=6 | | 8x-12=4(x+12) | | 2(l-4)=3(l+2) | | x+2=10-2 | | -3k+7-9=-25 | | 6p(2p-3)-11p=5 | | 3(5x-2)=4(x+12) | | x=x/3*x/4+10 | | 0.5(6x-4)=4-2x | | -5(8+4s)=18 | | y=3/2-1/2 | | 3(2x-4)=2(2x+6) | | 3(2x-4)=2(2x+6 | | 6(4x-5)=12x+6 | | 12x-15=3x+66 | | 7x+3=36-4x | | 8x+10-3x=5(x+2) | | 2x2+5=2 | | 14=33=33=x=13=39=50=11 |