-3a+9=3a-a

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


Simplifying
-3a + 9 = 3a + -1a

Reorder the terms:
9 + -3a = 3a + -1a

Combine like terms: 3a + -1a = 2a
9 + -3a = 2a

Solving
9 + -3a = 2a

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2a' to each side of the equation.
9 + -3a + -2a = 2a + -2a

Combine like terms: -3a + -2a = -5a
9 + -5a = 2a + -2a

Combine like terms: 2a + -2a = 0
9 + -5a = 0

Add '-9' to each side of the equation.
9 + -9 + -5a = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -5a = 0 + -9
-5a = 0 + -9

Combine like terms: 0 + -9 = -9
-5a = -9

Divide each side by '-5'.
a = 1.8

Simplifying
a = 1.8

See similar equations:

| 2x-7=3x-34 | | 9+7*(-6)-(5-3)=x | | 2x-3=55 | | 3x^3+2x^2-27x-18=0 | | -0.1x^2+0.5x+0.6=0 | | 5(5-4y)+9y=3 | | x^2+3x-12=0 | | 7x-3=46 | | .4b-.25b=3 | | .333z=3z-.8 | | 5-4y= | | Y=-2-5 | | Y=0-5 | | Y=1-5 | | .5x+7=.75x-4 | | x+4y+2=0 | | 4m=25 | | y+4x+2=0 | | 7x^2-5=0 | | 7f=21 | | 6m=27 | | 11x+3-4x^2=0 | | 10-3w=2+5w | | 10b+8(b-1)= | | 8l=8 | | 12-7y=30+2y | | 3d=12 | | 2x^3+8x^2-32x-128=0 | | 2(3y-1)+3(y-4)=13 | | 8+x=15 | | 8(x-6)-25=-9 | | 5(2x-4)-3(3x-7)=6 |

Equations solver categories