3a-15=4

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Solution for 3a-15=4 equation: 



3a-15=4

We move all terms to the left:

3a-15-(4)=0

We add all the numbers together, and all the variables

3a-19=0

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

3a=19

a=19/3

a=6+1/3

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