7x+2(7x+14)=77

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Solution for 7x+2(7x+14)=77 equation: 



7x+2(7x+14)=77

We move all terms to the left:

7x+2(7x+14)-(77)=0

We multiply parentheses

7x+14x+28-77=0

We add all the numbers together, and all the variables

21x-49=0

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

21x=49

x=49/21

x=2+1/3

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