8.9+1.2(3a-1)=12

Simple and best practice solution for 8.9+1.2(3a-1)=12 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 8.9+1.2(3a-1)=12 equation: 


Simplifying
8.9 + 1.2(3a + -1) = 12

Reorder the terms:
8.9 + 1.2(-1 + 3a) = 12
8.9 + (-1 * 1.2 + 3a * 1.2) = 12
8.9 + (-1.2 + 3.6a) = 12

Combine like terms: 8.9 + -1.2 = 7.7
7.7 + 3.6a = 12

Solving
7.7 + 3.6a = 12

Solving for variable 'a'.

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

Add '-7.7' to each side of the equation.
7.7 + -7.7 + 3.6a = 12 + -7.7

Combine like terms: 7.7 + -7.7 = 0.0
0.0 + 3.6a = 12 + -7.7
3.6a = 12 + -7.7

Combine like terms: 12 + -7.7 = 4.3
3.6a = 4.3

Divide each side by '3.6'.
a = 1.194444444

Simplifying
a = 1.194444444

See similar equations:

| -7(x-2)+1=15-7x | | 5x+55+47x=67 | | 7x-21=(3-8x) | | -7(8n+3)=3n-21 | | 6n^2=n^3 | | 3(5x-1)=-33 | | -50=-5(9+x) | | -4x-2=-2(1-4x) | | 30+4x=6-2x | | 21-j=87-2j | | 2x-8+x=4x-10 | | 3G+3(-4+5G)=1-G | | 5(g+40)-7=103 | | -3(4x-2)=-30 | | -50-25n+3n^2=0 | | -(5x+7)+1=-5x-5 | | 3(6x-5)+2(5x+7)=3(9x+2) | | M-3m+3=3 | | 21-6d=22-8d | | 14-6-(-15)-18+(-7)= | | C=37.12+0.25 | | 7y-13=-58+2y | | 7-x/4=11 | | 9z+8z= | | x-(1/12)=(5/12) | | 2y-6=y | | 4x^2+3x=74 | | -7(1-8x)=105 | | 4z-25=-13+2z | | -9=-6+c | | 3G-3(-4+5G)=1-G | | 0=175-25n |

Equations solver categories