-2a+21=15

Simple and best practice solution for -2a+21=15 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 -2a+21=15 equation: 



-2a+21=15

We move all terms to the left:

-2a+21-(15)=0

We add all the numbers together, and all the variables

-2a+6=0

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

-2a=-6

a=-6/-2

a=+3

See similar equations:

| 5x-8-3x=-6 | | 16-4(x+3=2x | | 10x+7=3/x | | 2+5u=8 | | 2{4x+3}=10x-2 | | 2k^2+7=63 | | 5x+(x-2(x+4))=0 | | (3x=20) | | k/3-4=-2 | | 21.8a=588.6 | | 9=3/2x+2+7/2x | | −​4/​1​​a−4=​4/7​​a−3 | | -(j−5)=3 | | 3n-nn=5 | | 5+-3s=8 | | 4(g+-2)=-20 | | 3t^2-30t+3=0 | | r/3+11=15 | | -11n+-2n+10=-16 | | 2x+2)-6=12 | | 2b-4/12=b-4/12 | | 3x+4+4x-9=30 | | (x/3)+4=7 | | X+7=-47-5x | | 3x+10=-6x+19 | | -7x+4(5x-3)=105 | | 4(-8x-4)+3x=-1 | | 4x+8+2x-4=40 | | 3(-3x-7)=-2 | | (4x/7)-0.6=3.6 | | 5x+5=7x+5 | | (x−2)^2=36 |

Equations solver categories