If it's not what You are looking for type in the equation solver your own equation and let us solve it.
81=6x+15
We move all terms to the left:
81-(6x+15)=0
We get rid of parentheses
-6x-15+81=0
We add all the numbers together, and all the variables
-6x+66=0
We move all terms containing x to the left, all other terms to the right
-6x=-66
x=-66/-6
x=+11
| -14s+19+1=-16s-18 | | −5y+34=−14y−2 | | 10x−38 −4x=6x | | -5=5(p-10) | | -10.7=w/3-3.2 | | 9h-7=8h | | 2/3(12x-24)=24 | | 10u+-20=-100 | | -5+3k=-50 | | 2.5x+35=100 | | n-16/2=8 | | 6p=2p+44 | | 2(3x+5)=10(x-1)-4x | | -8(-8+a)=2(a+7) | | 20=-2(3x-1 | | 8+6=x-7 | | 2.5x+35x=100 | | -8(-6+3n)-3n=6(-4n+4) | | 15.9z-17.3=18.9z+19.6 | | 4-2n=8-n | | 3x-2=-28+3x | | 3/5(x+4/3)=1.041 | | 5x+6-10+3x=20-26 | | 100-35x=2.5 | | n/5-4=0 | | .25x=750 | | -16-11t=20-9t | | v-16=1 | | -8g=-5g-9 | | 9d-4d-d-9-3d=0 | | y/4*10=-14 | | 4x-3=-2x-2 |