If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b=123
We move all terms to the left:
b-(123)=0
We move all terms containing b to the left, all other terms to the right
b=123
| 12(3+c)=96 | | 0.7x-0.1(10-2x)=-0.2(x-6) | | 1/2w-12=17 | | 23–2z=-17 | | 54=w/3+47 | | -5(b-72)=-100 | | -7.1+y=-11 | | 5h+5=15 | | 7(u+9)=98 | | 7x-2+3x-8=100 | | 5p+7=227 | | 3(2x+8)=-54 | | 38=6+4c | | ~0,1x+1=0,3 | | 2w-12=90 | | (x+4)²=1 | | 10i-8=22 | | 5(2x+1)+6x-13=(3x-2) | | 84=4t^2+16t | | 5x+3/4=1/8 | | 2-4(3+4x)=54 | | 4+n÷2=12 | | 27=3(2x-5 | | 88=6s—4 | | -w+43=3 | | 3/5(4x+11)=4(1-2x)+13 | | v+36/5=10 | | 28+-9b=100 | | 2x/(x+1)=2x-1/x | | (3x+8)=40 | | q/2+12=22 | | u/2+18=25 |