5a-3+4a=18

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Solution for 5a-3+4a=18 equation: 



5a-3+4a=18

We move all terms to the left:

5a-3+4a-(18)=0

We add all the numbers together, and all the variables

9a-21=0

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

9a=21

a=21/9

a=2+1/3

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