13(x+x)=120

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Solution for 13(x+x)=120 equation: 



13(x+x)=120

We move all terms to the left:

13(x+x)-(120)=0

We add all the numbers together, and all the variables

13(+2x)-120=0

We multiply parentheses

26x-120=0

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

26x=120

x=120/26

x=4+8/13

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