If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b/28+39=139
We move all terms to the left:
b/28+39-(139)=0
We add all the numbers together, and all the variables
b/28-100=0
We multiply all the terms by the denominator
b-100*28=0
We add all the numbers together, and all the variables
b-2800=0
We move all terms containing b to the left, all other terms to the right
b=2800
| 21n+39=-129 | | 11/8=6/v | | 8.50x+150=1000 | | 5x3+30x+45=0 | | r+2=25 | | 121x^2+81=0 | | F(4)=4+5x | | 13+9x-10=180 | | 18.5/12.7=x/5= | | n=4.9=98 | | 12.7/5=18.5/x= | | -×=-5x | | -12=p/3-9 | | t–4.25=-4 | | 250+d=920 | | (4x-19)+127=180 | | 3x2+7=34 | | 20-4.50x=42.50 | | 5/12.7=18.5/x | | -7/9k=-21 | | 3(h+2)+4=-8 | | 12.7/18.5=x/5 | | 11-12x=-11x+29 | | 5x–1=–x+5+4x | | 120+10h=200+8h | | 4y−10y=–6y | | 2j+7=7+2j | | (x=14)+(4x-9) | | 7w=-98 | | -4(x+2)+5=-3 | | 11/4x+1/2x=4 | | -5x+4-2x-18=56 |