If it's not what You are looking for type in the equation solver your own equation and let us solve it.
31=x-45
We move all terms to the left:
31-(x-45)=0
We get rid of parentheses
-x+45+31=0
We add all the numbers together, and all the variables
-1x+76=0
We move all terms containing x to the left, all other terms to the right
-x=-76
x=-76/-1
x=+76
| 4(1+4c)=-44 | | 4(n-1)=2n+10 | | F(2x+5)=4x-9-x | | 1)x+7=10 | | 15.35=z−1.84 | | -15x-6=6x+38 | | 8i/9+18=34 | | -9v=63 | | x5=x+28 | | -38=22+-4g | | k²-12k+23=0 | | 5/x=24/100 | | 6(z+8)=-10+15z+4 | | c+3c=4.98c+0.02c-c | | s/2-11=-8 | | 10+-3x=-5 | | 3(3+2x)=39 | | 8i/918=34 | | 8x-4x=4x-2 | | 4x+19=3x+36 | | 10b+18+4b=54 | | w+52/9=8 | | -3(x-5)=2x+10 | | 4+3x=3x-7 | | 45=p*70 | | 2−–7y=100 | | 16d=2684 | | 0.91x=2.1 | | 7-m/8=18 | | k8.3+98.2=10.1 | | 4x+2=4x=-5 | | y+5.6=15.4 |