-3a+21-15=9

Simple and best practice solution for -3a+21-15=9 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+21-15=9 equation: 



-3a+21-15=9

We move all terms to the left:

-3a+21-15-(9)=0

We add all the numbers together, and all the variables

-3a-3=0

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

-3a=3

a=3/-3

a=-1

See similar equations:

| 5x+20=10x+15 | | (2x+3)=(7x-6) | | 9k-14=2k | | (5/8)h+(1+(1/2)=5 | | 18/3x=-6 | | 3a=–4.22) | | y––5=-8 | | 18 | | -5.1+x=8.2 | | 18 | | -7(-4p+2)=210 | | 9k−14=2k | | 3x-6=7x+35 | | /3a=–4.22) | | 7.7+3.2x=7.4+9.8x | | 14+3p=p+2 | | BC=5x-6 | | 3÷4×e=2×21 | | 18 | | 3x+7−2x=4x+10 | | 14x+15=6x+17 | | 36-7p=-7(p=5) | | x/7=-19/7 | | 5(q+20)=10 | | x/5=128 | | 8x+1+15x-5=180 | | ¼x+17=x-4 | | 114=-6(-2x-5) | | 3÷4×x=2×21 | | .5=1-(100/x) | | 2/3xP-4=6 | | 6x+29=73 |

Equations solver categories