3(-20+x=15)

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Solution for 3(-20+x=15) equation: 



3(-20+x=15)

We move all terms to the left:

3(-20+x-(15))=0

We add all the numbers together, and all the variables

3(x-35)=0

We multiply parentheses

3x-105=0

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

3x=105

x=105/3

x=35

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