-7d+7=-21

Simple and best practice solution for -7d+7=-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 -7d+7=-21 equation: 


d in (-oo:+oo)

7-7*d = -21 // + 21

7-7*d+21 = 0

28-7*d = 0 // - 28

-7*d = -28 // : -7

d = -28/(-7)

d = 4

d = 4

See similar equations:

| 6n+5=-55 | | 4k+7=-17 | | -8-5w=-13 | | 5b-9=-49 | | 6a+9=-51 | | -3+4d=-15 | | 2w+2=-12 | | -6x-7=-19 | | 7d+7=-56 | | 4+3n=-23 | | 4t-5=31 | | 4m+4=12 | | 9+5m=9 | | 7+7n=70 | | 5k+9=-31 | | 10+6d=-56 | | 8+6a=32 | | -7k+10=17 | | 3x+6=6x-21 | | 3+6m=63 | | -5k+3=38 | | -10=d-10 | | 1=a-3 | | a-7=-2 | | -6w=-6 | | -2=b+8 | | x^2-9/4x+5=x^2-9/5x+4 | | -3+m=6 | | -10+m=-5 | | w+3=14 | | -7+t=-16 | | 2=m+7 |

Equations solver categories