-21=-4a+6a

Simple and best practice solution for -21=-4a+6a 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 -21=-4a+6a equation: 



-21=-4a+6a

We move all terms to the left:

-21-(-4a+6a)=0

We add all the numbers together, and all the variables

-(+2a)-21=0

We get rid of parentheses

-2a-21=0

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

-2a=21

a=21/-2

a=-10+1/2

See similar equations:

| 1/3+2/3m=2/3m-2/4 | | 7x-10+5-9x=11 | | 2x-15x+30=35 | | x/3+25=48 | | h/12-5=0 | | -16t^2=64t+512=560 | | 15x2-5=0 | | x/3+31=31 | | x-1=-4x-6 | | 55/9=x | | 2b+15=39 | | 3x-1=-5x-9 | | 15-6n=-7(9n-5) | | v/11=4 | | -1/8q=5/24 | | 63=3x+9= | | m4=77 | | x/7.6=9 | | -5(x-1)-4x=5-9(x+2) | | 1/6t=11/2 | | w/2-3=7 | | 4(w+5)=76 | | 10^(3x-2)=37 | | 4^1-x=8 | | 28=j/10+23 | | 2(3y-5)=18 | | 1=1/3(6y+3) | | 10^3x-2=37 | | 3z/8=-1 | | 37/4=x | | -4+9+2m+5= | | 9x4-25=0 |

Equations solver categories