-9+5k+7k=-81

Simple and best practice solution for -9+5k+7k=-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+5k+7k=-81 equation: 


k in (-oo:+oo)

5*k+7*k-9 = -81 // + 81

5*k+7*k-9+81 = 0

12*k+72 = 0 // - 72

12*k = -72 // : 12

k = -72/12

k = -6

k = -6

See similar equations:

| 3t+8+2t=-42 | | -b+3+4b=3 | | -10=5n+2n-10 | | 6d+4+3d=112 | | 6a+9+3a=-90 | | 3=5w-6w+4 | | -9-2t-7t=-54 | | 4+5n+5n=104 | | 13=2d-d+8 | | -7=-3k+2k-1 | | 12=k-4k+6 | | 2n-3+6n=61 | | 4-3t-4t=-17 | | Y=9-(9-3Y) | | 28=-2t+5t+7 | | 4+7a+6a=-35 | | -10-d-2d=-37 | | -7-6d+4d=-25 | | 2a-2+3a=-7 | | 8-2k+4k=8 | | 54=-2a+7a+4 | | 6+2b-b=-1 | | -99=-3a-6a-9 | | -2x+8+3x=-4 | | -4k+3+2k=-17 | | 3n+4+6n=67 | | -66=-6b+b-6 | | 3k+4+k=48 | | -1-2m-6m=-33 | | 55=7x-x+7 | | -21=d-7d+9 | | 9=5d+2d-5 |

Equations solver categories