If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-87=-6+9x
We move all terms to the left:
-87-(-6+9x)=0
We add all the numbers together, and all the variables
-(9x-6)-87=0
We get rid of parentheses
-9x+6-87=0
We add all the numbers together, and all the variables
-9x-81=0
We move all terms containing x to the left, all other terms to the right
-9x=81
x=81/-9
x=-9
| Xx16=240 | | 19=-5-8x | | 4+3(x-5)=-7(x+11)+6 | | -10x+12(x+1)=4(3-2x) | | 1.02x=791.84 | | 13-5r=6r-6 | | 9v=99 | | 2t^2-14t+33=3 | | 12n-4=10n+19 | | 3^x+4=9^2x-1 | | -7=n-19 | | 18v=-180 | | 18v=—180 | | -22=r-2 | | 7(n+3)=2 | | 1/3(6-12x)=-2x-9 | | 12(x-3)=12x-36 | | 2/3(9x+12)=24-4(x-8) | | -9+3k=-12 | | x^-3=1/125 | | 174=14v | | 4x+7x=605 | | -6x-4(x-3)=-6x+15 | | 4(2x+6)=8x+12 | | S=40-(1.7•d) | | -30=3b | | 4x-3+6x+4=171 | | b/20=-4 | | 4x+8+x+8=76 | | x(x)=5x+8 | | (x+3)(x-4)=4(x-1) | | 3x-3+4=5x-5 |