3-6n-3n=21

Simple and best practice solution for 3-6n-3n=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 3-6n-3n=21 equation: 



3-6n-3n=21

We move all terms to the left:

3-6n-3n-(21)=0

We add all the numbers together, and all the variables

-9n-18=0

We move all terms containing n to the left, all other terms to the right

-9n=18

n=18/-9

n=-2

See similar equations:

| (2x+4)=62-90 | | 17=b/3–15 | | 6(x+5)=8+2(-3x-7) | | t-8-8= | | -3(x+4)=-12-5x | | .10(y-8)+.18y=0.08y-1.8 | | 113-v=215 | | 0.4m=0.29 | | -16d-14d=-12d+18 | | 4h-2h-8=-8 | | -4(7-6x)-7=-179 | | -4(x-3)=-2(2+x) | | 26=k/2+16 | | -1/2y-(y+4/7)=1/28(y+3) | | 6x-4+9x=10 | | 76950+(x+162250)=316150 | | -104=2(6m-8)-4 | | -1/2y(y+4/7)=1/28(y+3) | | 14a+12=26 | | -7q=-9+4q | | 3/4x+1/2=1/2x | | 6.3+3=1.3g+18 | | 8x+100=112 | | (2x-7)13=90 | | -8x-3(1+7x)=-206 | | 12w−7w=15 | | c/12+5=7 | | 4a-28=4 | | 3(w-2)=7w | | -80=-4u | | -3(x+6)=2-3x | | 3x+5x+9=17 |

Equations solver categories