3+7(2x+1)=80

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Solution for 3+7(2x+1)=80 equation: 



3+7(2x+1)=80

We move all terms to the left:

3+7(2x+1)-(80)=0

We add all the numbers together, and all the variables

7(2x+1)-77=0

We multiply parentheses

14x+7-77=0

We add all the numbers together, and all the variables

14x-70=0

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

14x=70

x=70/14

x=5

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