If it's not what You are looking for type in the equation solver your own equation and let us solve it.
(x-15)=129
We move all terms to the left:
(x-15)-(129)=0
We get rid of parentheses
x-15-129=0
We add all the numbers together, and all the variables
x-144=0
We move all terms containing x to the left, all other terms to the right
x=144
| -t-9=-3t+7 | | 4-(-13)=n | | 4=-2(8+5x) | | 3-5g=-7g-9 | | 14+3b-11=2b+3+b | | 14m+17m=12 | | 4-m=-2m | | 9-2d=-3D | | 30y=41.10 | | -8+2u=u | | x-4=151 | | -4t-10=-3t | | 5-3x=7x+3 | | 5-3x=7x*3 | | 8x-7=321 | | 6(0)-4y=36 | | 8(3x-6)=6(4x=8) | | (8y/3)-(2y/4)=-13 | | 7k=-2+8k | | 6p-2=4p | | 8w-10=9w | | 2q=-3q+10 | | -4b=-9-5b | | x/11=8/7 | | 9x+36=–9 | | 12=-8(2x-1)+20 | | 4y+7+6y=33 | | 63=1x | | -6+x/13=-4 | | 5x-4x-5=0 | | 2^2x-16·2x+64=0 | | 6x-8-5x+6=8x-9 |