3a-8=9a+40

Simple and best practice solution for 3a-8=9a+40 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 3a-8=9a+40 equation:


Simplifying
3a + -8 = 9a + 40

Reorder the terms:
-8 + 3a = 9a + 40

Reorder the terms:
-8 + 3a = 40 + 9a

Solving
-8 + 3a = 40 + 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.
-8 + 3a + -9a = 40 + 9a + -9a

Combine like terms: 3a + -9a = -6a
-8 + -6a = 40 + 9a + -9a

Combine like terms: 9a + -9a = 0
-8 + -6a = 40 + 0
-8 + -6a = 40

Add '8' to each side of the equation.
-8 + 8 + -6a = 40 + 8

Combine like terms: -8 + 8 = 0
0 + -6a = 40 + 8
-6a = 40 + 8

Combine like terms: 40 + 8 = 48
-6a = 48

Divide each side by '-6'.
a = -8

Simplifying
a = -8

See similar equations:

| 77-72x+12x^2=0 | | 6r+7=331 | | -5x+2y=24 | | 23+5=11 | | 81=8y+y | | 2(9-x)=3(x+16) | | x+22.4a=8 | | 5(x+7)=12 | | 72=18w-9w | | x^2+x-2ix-i-3=0 | | -20=1-7p | | 36/54=2.x/6 | | 7x+13x-4=5(4x+8) | | 4x+6=7-3x | | p/3.20=2.3 | | 25n-49=0 | | 7a+9=3-15a | | -14+5x=21 | | -3(4y-8)=36 | | f(x)=2x^3-3x^2+3x-2 | | -3(4y-8)=6 | | 9(2x-5)=3(4x+7) | | x+5+4x-60=119 | | 9u+45=6(u+3) | | 3x-13=-5 | | 2(4x-3)=5(2x-5) | | 3x=5(x+5)-3 | | 2x(4x-3)=5 | | x-4+60=175 | | 50=-13+7x | | 3x^2=372 | | 3(x+13)=10(x-1) |

Equations solver categories