-9a+(-18a)+18a-(-8a)-9=11

Simple and best practice solution for -9a+(-18a)+18a-(-8a)-9=11 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+(-18a)+18a-(-8a)-9=11 equation:


Simplifying
-9a + (-18a) + 18a + -1(-8a) + -9 = 11

Remove parenthesis around (-8a)
-9a + (-18a) + 18a + -1 * -8a + -9 = 11

Multiply -1 * -8
-9a + (-18a) + 18a + 8a + -9 = 11

Reorder the terms:
-9 + -9a + (-18a) + 18a + 8a = 11

Combine like terms: -9a + (-18a) = -27a
-9 + -27a + 18a + 8a = 11

Combine like terms: -27a + 18a = -9a
-9 + -9a + 8a = 11

Combine like terms: -9a + 8a = -1a
-9 + -1a = 11

Solving
-9 + -1a = 11

Solving for variable 'a'.

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

Add '9' to each side of the equation.
-9 + 9 + -1a = 11 + 9

Combine like terms: -9 + 9 = 0
0 + -1a = 11 + 9
-1a = 11 + 9

Combine like terms: 11 + 9 = 20
-1a = 20

Divide each side by '-1'.
a = -20

Simplifying
a = -20

See similar equations:

| 4u-u+3u-5u+u=16 | | 16j+j-12j-4j+1=15 | | 9x+2=7x+5 | | 2=k-16 | | -10x^2=100 | | 14p-(-4p)+7p-(-5p)+(-20p)=-20 | | x+.02x=510 | | 6y-4y-1=11 | | 12h-11h=12 | | 12=x+(x-1)+5 | | -4.3+0.1x=-6.1 | | 3u-(-7)=-17 | | -4.3+0.1=-6.1x | | 12=x+(x+1)+5 | | 56=17p+-29 | | -4.3+0.1x=6.1 | | -2(7-4x)=9+x | | 5n-6=n+6 | | (2a-5)+(3a-1)-(4a+2)= | | -4.3+0.1=-6.1 | | -4.3+0.1=-61 | | 2v-2v+3v-3v+4v=20 | | 5t^4+20t^3=0 | | -4(9y+3)-3= | | -7p+6p+4p-19p=20 | | 3u+29=-7(u+3) | | -20v-14v+20v-15v+10v=19 | | 56=16p-29 | | ln(3)=ln(6)+ln(a)+3a^2 | | 14*X=42 | | 20u-7u-11u+4u=12 | | 3n-2n+2n=3 |

Equations solver categories