-9a-81=9(a+9)

Simple and best practice solution for -9a-81=9(a+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 -9a-81=9(a+9) equation:


Simplifying
-9a + -81 = 9(a + 9)

Reorder the terms:
-81 + -9a = 9(a + 9)

Reorder the terms:
-81 + -9a = 9(9 + a)
-81 + -9a = (9 * 9 + a * 9)
-81 + -9a = (81 + 9a)

Solving
-81 + -9a = 81 + 9a

Solving for variable 'a'.

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

Add '-9a' to each side of the equation.
-81 + -9a + -9a = 81 + 9a + -9a

Combine like terms: -9a + -9a = -18a
-81 + -18a = 81 + 9a + -9a

Combine like terms: 9a + -9a = 0
-81 + -18a = 81 + 0
-81 + -18a = 81

Add '81' to each side of the equation.
-81 + 81 + -18a = 81 + 81

Combine like terms: -81 + 81 = 0
0 + -18a = 81 + 81
-18a = 81 + 81

Combine like terms: 81 + 81 = 162
-18a = 162

Divide each side by '-18'.
a = -9

Simplifying
a = -9

See similar equations:

| 5x=1-1y | | 5x+11x-6=4(4x+9) | | 3.6d=180*6 | | 2(x+4)=56 | | 3.6d=180*5 | | 5k+25=16 | | -8(4r-1)=-184 | | .75x+7=.25x-5 | | 16=r+(-1) | | 4847647363/3763747647373773=n | | 5(u+8)-7u=36 | | 8(8-6r)=112 | | 12(-3+-2x)(8+-1x)=0 | | 2m+15-3m=28 | | 2(x-8)+16-14x=62 | | 3.6d=180*4 | | 3x-2*x*ln*x=0 | | 4+3p=19e | | -228=6(6v-2) | | 5x-1+y=0 | | solvex^2+2x-24=0 | | -9m=18.9 | | x-(-12)=7.3 | | 2x-3=23-2(x-5) | | 2x+5y=3x+2 | | 1=p-17 | | 4*(-6)= | | (2x-7)(3x+15)=0 | | 4x(-6)= | | %=3973*3215 | | 1/2p+7=3/4p+9 | | 3+2g=27 |

Equations solver categories