-7n=-21

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


n in (-oo:+oo)

-7*n = -21 // + 21

21-7*n = 0

21-7*n = 0 // - 21

-7*n = -21 // : -7

n = -21/(-7)

n = 3

n = 3

See similar equations:

| b/-4=-5 | | 16+12-20= | | 2y+6=6y-18 | | 6x+8=-3x+-10 | | -3(-x-4)-17=-9(x+0) | | d+7=-4 | | w-9=-16 | | a-9=-6 | | 2*1*1+6*1-5= | | n+3=9 | | -10+b=-1 | | (x-1)/3-(x-1)/2=6 | | w/3=7 | | n+9=16 | | 3+n=1 | | t-4=-6 | | 5=k+1 | | 6+d=17 | | 6x+8=-3+-10 | | 3+t=0 | | k/-7=5 | | 20=n+8 | | -2a=6 | | 10=b+1 | | t-5=-16 | | -2b=12 | | 20=.5x(2x+2) | | -16=-4/5u | | -3=a-10 | | b-8=-4 | | b-2=7 | | 1=n-3 |

Equations solver categories