x-5+2*(x-5)=30

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Solution for x-5+2*(x-5)=30 equation: 



x-5+2(x-5)=30

We move all terms to the left:

x-5+2(x-5)-(30)=0

We add all the numbers together, and all the variables

x+2(x-5)-35=0

We multiply parentheses

x+2x-10-35=0

We add all the numbers together, and all the variables

3x-45=0

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

3x=45

x=45/3

x=15

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