3(2a-5)+15=20

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Solution for 3(2a-5)+15=20 equation: 



3(2a-5)+15=20

We move all terms to the left:

3(2a-5)+15-(20)=0

We add all the numbers together, and all the variables

3(2a-5)-5=0

We multiply parentheses

6a-15-5=0

We add all the numbers together, and all the variables

6a-20=0

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

6a=20

a=20/6

a=3+1/3

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