4a+3=a+18

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



4a+3=a+18

We move all terms to the left:

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

We get rid of parentheses

4a-a-18+3=0

We add all the numbers together, and all the variables

3a-15=0

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

3a=15

a=15/3

a=5

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