-9+2b+7b=81

Simple and best practice solution for -9+2b+7b=81 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for -9+2b+7b=81 equation: 


b in (-oo:+oo)

2*b+7*b-9 = 81 // - 81

2*b+7*b-81-9 = 0

9*b-90 = 0 // + 90

9*b = 90 // : 9

b = 90/9

b = 10

b = 10

See similar equations:

| 7n+4+n=-36 | | -111=7w+4w+10 | | -b+3-2b=-24 | | 4x+6y=108 | | 3n+5+4n=19 | | 5+6m+7m=-8 | | -6x-2-x=-44 | | -5+3x-6x=-23 | | -4=5b-6b+4 | | 8+3m+3m=2 | | 6t+5-2t=29 | | 5t-1+3t=-9 | | -1+a+4a=-61 | | 1-4k-3k=36 | | -8-2n+5n=28 | | -107=5x+4x-8 | | 6+4d+7d=6 | | 34=3w+w-2 | | 2+4a+3a=-82 | | 29=6x-3x-7 | | 25=5x+4x+7 | | -5x+7+x=43 | | -18=-7a+3a+6 | | 5+3w-5w=17 | | -15=6k-7k-4 | | 60=2d+5d+4 | | 2d+5+6d=101 | | 10-n-3n=50 | | -10=m+4m-10 | | 2-6t+3t=17 | | n-6+n=4 | | -7-5x-7x=137 |

Equations solver categories