18.4a-3.1=16.4a-16.9

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Solution for 18.4a-3.1=16.4a-16.9 equation: 



18.4a-3.1=16.4a-16.9

We move all terms to the left:

18.4a-3.1-(16.4a-16.9)=0

We get rid of parentheses

18.4a-16.4a+16.9-3.1=0

We add all the numbers together, and all the variables

2a+13.8=0

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

2a=-13.8

a=-13.8/2

a=-6+1/1.1111111111111

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