2a-9=-a

Simple and best practice solution for 2a-9=-a 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-9=-a equation: 



2a-9=-a

We move all terms to the left:

2a-9-(-a)=0

We add all the numbers together, and all the variables

2a-(-1a)-9=0

We get rid of parentheses

2a+1a-9=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:

| 22(g-17)=2g+8 | | (4x-15)+x=15 | | 11/b=19/b+12 | | -66+7x=49+12x | | 7(x-1)=3(2x+1) | | 5n-65=n+26 | | -159-x=65-8x | | 6-2x=3x-14 | | 12x-4=+10x-16 | | -28+8x=7x+7 | | -147-8x=63+6x | | -147-8x=63+6 | | 9x-6=-7x+34 | | 2(3x+4)+7=13 | | 6=11-3/b | | -5x-127=10x+113 | | |8y-4|=24 | | 4x-42=2x+14 | | f(4)=2^(4)=16 | | -14x-20=-13x+7 | | -14x-20=13x+7 | | -42-11y=97 | | -123-13x=213-x | | n/5-1=6 | | -5x+15=5(3-x)−5x+15=5(3−x) | | 4x-25=30-x | | -114+x=13x+126 | | 0.1x=0.2x+4 | | 2x+6-10=192-18x | | n=6n+5=2n+17 | | 2s+10–7s–8+3s=–7 | | p=6p+4=p+19 |

Equations solver categories