27=21a-6a-6a

Simple and best practice solution for 27=21a-6a-6a 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 27=21a-6a-6a equation:


Simplifying
27 = 21a + -6a + -6a

Combine like terms: 21a + -6a = 15a
27 = 15a + -6a

Combine like terms: 15a + -6a = 9a
27 = 9a

Solving
27 = 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.
27 + -9a = 9a + -9a

Combine like terms: 9a + -9a = 0
27 + -9a = 0

Add '-27' to each side of the equation.
27 + -27 + -9a = 0 + -27

Combine like terms: 27 + -27 = 0
0 + -9a = 0 + -27
-9a = 0 + -27

Combine like terms: 0 + -27 = -27
-9a = -27

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

Simplifying
a = 3

See similar equations:

| -5x=-6x+8 | | 4y-5x=9 | | 3(2p+1)-(p-2)=2(p+4) | | 2/3y+y-4=31 | | -2.7(a+9)=13.5 | | 137.75=150+0.71t | | 3668.8388=2*3.14*r^2+2*3.14*r*40.4 | | -1x+6=-35 | | a^2+10a+14=0 | | -6(m+9)-6(-2m-1)=5(m-7)+8 | | (-12+4x)+-6=7+-1x | | 17-.33x=8 | | 4x^2-11=6 | | 9(4x+4)+3x=-3x | | 17-.3x=8 | | 137.75=tm+0.71 | | -4(x-1)=16 | | -4x+9(.875x-1.125)=-22 | | 2(-8b-10)+8=-45-5b | | 13-.3x=12 | | -6(m+9)-6(2m-1)=5(m-7)+8 | | 20+0.5x=3+1.5X | | 137.75=m+0.71t | | -6(d+14)=-57 | | (9+x)/12=-3 | | 50+1.375=128 | | -3=5 | | x^2=6x+5 | | 2(b-13)=15 | | 3x+12-9x=12-2x | | -8t+-5+-t+1= | | .5x+3=4.5 |

Equations solver categories