7-3m-m=-21 - solution

Simple and best practice solution for 7-3m-m=-21 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 7-3m-m=-21 equation:

m in (-oo:+oo)

7-(3*m)-m = -21 // + 21

7-(3*m)-m+21 = 0

7-3*m-m+21 = 0

28-4*m = 0 // - 28

-4*m = -28 // : -4

m = -28/(-4)

m = 7

m = 7

See similar equations:

| 10x+2=64 | | -3b-7+7b=-15 | | 4d+6-6d=-18 | | 7+4k-k=4 | | 3=-6w+3w+9 | | -12=-3n+7n+4 | | -26=5d+2d+2 | | -8-3a-2a=37 | | Z+4/2=11 | | -1+4a+6a=39 | | 41=2a+2a+1 | | -7w+5-7w=173 | | 81=-6m-5m+4 | | 66=-x+7x+6 | | -86=4b+3b-2 | | 96=2k+7k+6 | | -18-8w=-66 | | 4+7d+4d=136 | | -23=3t+6t+4 | | -6t+3-3t=-105 | | 16=w+4w-9 | | 9+7a+2a=0 | | 1-a+2a=3 | | 17=a-5a+9 | | x+(1-x)=1 | | -2m+10-7m=91 | | -36=2a-5a-9 | | 11=-a+4a+5 | | 2=-5b+6b-6 | | -4m+6-6m=-104 | | 8-2b+5b=29 | | -77=5d+5d+3 |

Equations solver categories