If it's not what You are looking for type in the equation solver your own equation and let us solve it.
5b-7b+35=15
We move all terms to the left:
5b-7b+35-(15)=0
We add all the numbers together, and all the variables
-2b+20=0
We move all terms containing b to the left, all other terms to the right
-2b=-20
b=-20/-2
b=+10
| 5u-105=180 | | 30=-o-5o | | 10k+6=-14 | | 35=x+0.35x | | x+6+x-18=180 | | 0=-4p-3p | | 1p-10000000000000000000=12 | | 8=-5b-3b | | 5-r=34444444 | | -5y+3=18 | | x+105=0.5x | | 24y+9y=90 | | 32=(16^x)(16^3) | | 3x-13=47-2x | | 24x-6×=360-180 | | 32=16^x+16^3 | | 3x+8=11x+4 | | 24-t=t+6 | | 6x+180+9x+88=180 | | 18.39=3g+3.84 | | x/6+24=18 | | n/5+3=23 | | x^2+5x−32=2x−4 | | y+1/2=6 | | x2+5x−32=2x−4 | | 4(5b-3)=260 | | 2(e+7)=24 | | 75=3(x+4) | | 24.95+6.95n=45.80 | | x/5+7=47 | | m=5m+30 | | (x-4)/2=4 |