4a-15=20

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Solution for 4a-15=20 equation: 



4a-15=20

We move all terms to the left:

4a-15-(20)=0

We add all the numbers together, and all the variables

4a-35=0

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

4a=35

a=35/4

a=8+3/4

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