-3a-12=-21

Simple and best practice solution for -3a-12=-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 -3a-12=-21 equation: 



-3a-12=-21

We move all terms to the left:

-3a-12-(-21)=0

We add all the numbers together, and all the variables

-3a+9=0

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

-3a=-9

a=-9/-3

a=+3

See similar equations:

| 7(2m-1)3/5m=6/5(4-3m) | | $48+($12c)=$180 | | 12x+5=16x+34 | | -3a-12=21 | | $48+($12⋅c)=$180 | | 12x+5+x=16x+34 | | 17x-16x+3x-x=15 | | 9t+4=4+9t | | 0.5(12x-8)=0.25(4x-16) | | x+8=18 | | $48+($12Xc)=$180 | | 24=3w+21 | | 5g-10=95 | | 7x-3=-2x=15 | | -(3x+5)=16-2x | | X=7220+50x | | x^2-1.5x+0.8=0 | | 2x-2(9)=-16 | | 22=-7y+2(y+6) | | 1=w/3-5 | | 4x-7+2x-9=32 | | 136=8(-4n+1) | | -150-30x=0 | | x2−6x+21=0 | | 4(4y+3)=14 | | x-6.2=11.2 | | 3+a=-17 | | y=-3(-8)-16 | | 276=6(6x+4) | | 2(h+1.44)-2.17=7.6 | | 14x+7=10x+21 | | 2(h+1.44)−2.12=7.6 |

Equations solver categories