-9a+9a-9a+(-18)=9

Simple and best practice solution for -9a+9a-9a+(-18)=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+9a-9a+(-18)=9 equation:


Simplifying
-9a + 9a + -9a + (-18) = 9
-9a + 9a + -9a + -18 = 9

Reorder the terms:
-18 + -9a + 9a + -9a = 9

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

Solving
-18 + -9a = 9

Solving for variable 'a'.

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

Add '18' to each side of the equation.
-18 + 18 + -9a = 9 + 18

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

Combine like terms: 9 + 18 = 27
-9a = 27

Divide each side by '-9'.
a = -3

Simplifying
a = -3

See similar equations:

| (x-0)(x+3.5)=0 | | 50*2/5 | | 19x+6y=17 | | n^12/n^10 | | 4x+9forx=4 | | m^19/m^18 | | 9/10=21/x | | -9+9a-9a+(-18)=9 | | 3(x+4)=5x+9-2x+3 | | -9x+6=0 | | 2-3(x-7)=3/4(4x-5) | | 300*2/5 | | (X+5)*2=30 | | 4a+4=3a | | 100/50=10/x | | X^2+57=16x | | 56m^19n^12/8m^18n^10= | | (x-(1/3))(x-2) | | 3x(x^2+6x-9)=0 | | x-(-6)=(-7) | | 125*3/5 | | 56m^19n^12/8m^18n^10 | | 7s-(-10s)+(-7s)=10 | | 1/2=x/4 | | 12/5=z/7 | | 3.89+m=5.2 | | 3a^2+6-2a^2+9+5a=0 | | 3-3*6-2=A | | 16x^2-3=61 | | m/6=(m-5)/15 | | (-5x^5)(-4x^4)= | | -14=2x-4/3 |

Equations solver categories