If it's not what You are looking for type in the equation solver your own equation and let us solve it.
-x+256=133
We move all terms to the left:
-x+256-(133)=0
We add all the numbers together, and all the variables
-1x+123=0
We move all terms containing x to the left, all other terms to the right
-x=-123
x=-123/-1
x=+123
| 253=209-w | | 1/5x-1/2=21/2 | | 16w=63+7w | | 2x-15=x=5 | | 2x+8+6x=14x+12 | | 9u+15=39 | | 9a-2a=2+24 | | -12x-33=0 | | 14+5=-23x+-85 | | 2^(2x+3)-33(2x)+4=0 | | 9a-24=2+2a | | 4x=70=9x-5 | | 2(4w-7)=62 | | 3.8x-{-1-9.7x}=2.6+13.3x | | 14a-6=34 | | h+74-3=1 | | 2(4x+3)(3x+5)=x2+58x+ | | 3(w−74)=57 | | 9-2y=31 | | 9(3-2x)=2(10-8x | | 9-5x+2=4.5x | | 1–a÷2a+1=5÷6 | | (7/8)x=1/2 | | 12^6x+8=12^x | | x+5000=3x | | 2=y/2+6 | | x+5/4+30/4=600 | | 3x-2(4x+5)=x+2= | | 1^x+4=1^7 | | 34(x−4)=9 | | 7(-6n+1)=175 | | -8y+2(y+4)=-34 |