-2a-a+9=3a-a

Simple and best practice solution for -2a-a+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 -2a-a+9=3a-a equation:


Simplifying
-2a + -1a + 9 = 3a + -1a

Reorder the terms:
9 + -2a + -1a = 3a + -1a

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

| 5(x-2)+(9)=-7(1-x) | | 9+7=29+6 | | 7/4x-1/2x= | | 18/8=m/28 | | x=y-26 | | 6k+4+7= | | 3/x=5/11 | | -1/5. | | 5(x-4)=13+2x | | 12x^2y+15xy^2= | | http://media.apexlearning.com/Images/200907/09/56260dc3-4db2-4145-87bf-8d8f51d4017c.JPG | | 2=m*.28+b | | 1=52(3x+2) | | -2(4x-2)=-12 | | (0.25)-1/2 | | 8-2x=px | | Y+14=15y-7 | | 25-(x+6)=8x-8 | | x+8t=4 | | 17w+49=35+7w | | =30x^2-30 | | gh=7x | | -46=5x-(1/3)x | | 5x=5m | | (3x-4)(3x+5)= | | 3.25=-.5x^2+x+6 | | 1z-1=0 | | 80+0.6x=60+0.8x | | 6w^2+9w^3=0 | | 2x^2-25=11 | | 10y+30-15=8y+20 | | 60=.889(x-50)+12 |

Equations solver categories