2x-7+2x+(2x-7+4)=80

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Solution for 2x-7+2x+(2x-7+4)=80 equation: 



2x-7+2x+(2x-7+4)=80

We move all terms to the left:

2x-7+2x+(2x-7+4)-(80)=0

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

4x+(2x-3)-87=0

We get rid of parentheses

4x+2x-3-87=0

We add all the numbers together, and all the variables

6x-90=0

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

6x=90

x=90/6

x=15

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