9(a-3)+7.2=7a-9

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Solution for 9(a-3)+7.2=7a-9 equation: 



9(a-3)+7.2=7a-9

We move all terms to the left:

9(a-3)+7.2-(7a-9)=0

We multiply parentheses

9a-(7a-9)-27+7.2=0

We get rid of parentheses

9a-7a+9-27+7.2=0

We add all the numbers together, and all the variables

2a-10.8=0

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

2a=10.8

a=10.8/2

a=5+0.8/2

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