4(2.5a+3.1)=32.4

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Solution for 4(2.5a+3.1)=32.4 equation: 



4(2.5a+3.1)=32.4

We move all terms to the left:

4(2.5a+3.1)-(32.4)=0

We add all the numbers together, and all the variables

4(2.5a+3.1)-32.4=0

We multiply parentheses

8a+12.4-32.4=0

We add all the numbers together, and all the variables

8a-20=0

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

8a=20

a=20/8

a=2+1/2

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