3a-3=9

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


Simplifying
3a + -3 = 9

Reorder the terms:
-3 + 3a = 9

Solving
-3 + 3a = 9

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 3a = 9 + 3

Combine like terms: -3 + 3 = 0
0 + 3a = 9 + 3
3a = 9 + 3

Combine like terms: 9 + 3 = 12
3a = 12

Divide each side by '3'.
a = 4

Simplifying
a = 4

See similar equations:

| 5(2a+3)=3(2a+1) | | 7-3n=4 | | 5x-3=x+3+2x | | 2x^3+12x^2+7x+42= | | 22-3(x-2)=5(4-x) | | 3(y-5)=4y-15 | | 9y-3=8y | | x-6y=42 | | x+y=25 | | x+12y=-120 | | 14-8x=65-29x | | x+5-3(x-1)=3-3x | | 3x+10y=90 | | 5(x-3)-3(x-1)=4x-8 | | 4x-7y=-49 | | x^2*8=78 | | 8x-9y=-81 | | x+7y=-35 | | 7x-15y=-30 | | 2.50=5t | | 3x^2+xy-2y^2= | | 2x+14=59-3x | | 12x-4y=40 | | 4(2x-2)+x=10-2(3-x) | | x-9y=45 | | 4(2-2X)=5(3+2x)+7x | | -23=x-18 | | 3(4+x)=5(x-4) | | 12x-174=5x-13 | | x-10y=90 | | 10(1+x)=3(x+8) | | x+10y=-90 |

Equations solver categories