(1-3a)1.2+8.9=14.9

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Solution for (1-3a)1.2+8.9=14.9 equation: 



(1-3a)1.2+8.9=14.9

We move all terms to the left:

(1-3a)1.2+8.9-(14.9)=0

We add all the numbers together, and all the variables

(-3a+1)1.2+8.9-(14.9)=0

We add all the numbers together, and all the variables

(-3a+1)1.2-6=0

We multiply parentheses

-3.6a+1.2-6=0

We add all the numbers together, and all the variables

-3.6a-4.8=0

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

-3.6a=4.8

a=4.8/-3.6

a=-1+1/3

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