5(3a-3)-7=23

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Solution for 5(3a-3)-7=23 equation: 



5(3a-3)-7=23

We move all terms to the left:

5(3a-3)-7-(23)=0

We add all the numbers together, and all the variables

5(3a-3)-30=0

We multiply parentheses

15a-15-30=0

We add all the numbers together, and all the variables

15a-45=0

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

15a=45

a=45/15

a=3

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