8.9+1.2(3a-1)=4

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Solution for 8.9+1.2(3a-1)=4 equation: 



8.9+1.2(3a-1)=4

We move all terms to the left:

8.9+1.2(3a-1)-(4)=0

We add all the numbers together, and all the variables

1.2(3a-1)+4.9=0

We multiply parentheses

3.6a-1.2+4.9=0

We add all the numbers together, and all the variables

3.6a+3.7=0

We move all terms containing a to the left, all other terms to the right

3.6a=-3.7

a=-3.7/3.6

a=-1+0.1/3.6

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