If it's not what You are looking for type in the equation solver your own equation and let us solve it.
4b-90=b
We move all terms to the left:
4b-90-(b)=0
We add all the numbers together, and all the variables
3b-90=0
We move all terms containing b to the left, all other terms to the right
3b=90
b=90/3
b=30
| 9=c/4-5 | | 10-7n=6(2n+8) | | A=15,c=50 | | -17n=-19-18n | | 13s=14s+16 | | 2x+5x+15+4x=180 | | 6g+5=-2(1+2g) | | 10g-6g=20 | | 2x+5x+15x+4x=180 | | 9-(3-6x)=0 | | 6d+-9d=-3 | | 2t+92=6t | | -d+11=-4.6 | | 4=12/r | | 2x*3x=1800 | | -13+3q=2 | | c+47=2c-34 | | 3f-1=14 | | -8+6m=-6m+8 | | -4(p-14)=-8 | | 6s-83=7s-99 | | 2b-29=4b-73 | | p-27=2p-71 | | 2t-5=t+22 | | 2t-29=t | | 4p+3=6p-9 | | 2(4x-7)+18=-20 | | 2c+19=c+26 | | s+25+4s=180 | | 2(x-3)=x+18 | | |8x-9|=|2x+3| | | 110+(2x-38)=180 |