If it's not what You are looking for type in the equation solver your own equation and let us solve it.
3b-39=-79
We move all terms to the left:
3b-39-(-79)=0
We add all the numbers together, and all the variables
3b+40=0
We move all terms containing b to the left, all other terms to the right
3b=-40
b=-40/3
b=-13+1/3
| 30+6t=11t-5 | | 10-x=3x=+2 | | 14+23=14x-23 | | 61+5x-15=360 | | q/27=18 | | 12x=4x-24 | | k+11=-22+4k | | -16=12-4z | | C=35.50-0.20x | | 30k=540 | | 0.75p=0.4p+100p | | 0.5x-1.5=1.5 | | F(x)=7x²-14x+7 | | 6b-20=40 | | p-685=-467 | | 5t=40;t=9 | | -6-5r=-71 | | 5x+3=-x-4 | | 0=3x—6x— 5— (-8) | | 6=p−79 | | 4x+10=3x-5=2x-5 | | 19*3-4*6+11*x=99 | | -7h+8=-8+3h | | 9f+2=36 | | m-5=12;m=17 | | -9x+12=-51 | | n-6=24;n=18 | | 42+6t=30+8t | | 3f+50=100 | | z-105=72 | | 1/2x−7=1/3(x−12) | | m/9+10=6 |