3(2a+1)-7=50

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Solution for 3(2a+1)-7=50 equation: 



3(2a+1)-7=50

We move all terms to the left:

3(2a+1)-7-(50)=0

We add all the numbers together, and all the variables

3(2a+1)-57=0

We multiply parentheses

6a+3-57=0

We add all the numbers together, and all the variables

6a-54=0

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

6a=54

a=54/6

a=9

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