2x-(80-x)=115

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Solution for 2x-(80-x)=115 equation: 



2x-(80-x)=115

We move all terms to the left:

2x-(80-x)-(115)=0

We add all the numbers together, and all the variables

2x-(-1x+80)-115=0

We get rid of parentheses

2x+1x-80-115=0

We add all the numbers together, and all the variables

3x-195=0

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

3x=195

x=195/3

x=65

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