-3(15-2x)=3.5x+30

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Solution for -3(15-2x)=3.5x+30 equation: 



-3(15-2x)=3.5x+30

We move all terms to the left:

-3(15-2x)-(3.5x+30)=0

We add all the numbers together, and all the variables

-3(-2x+15)-(3.5x+30)=0

We multiply parentheses

6x-(3.5x+30)-45=0

We get rid of parentheses

6x-3.5x-30-45=0

We add all the numbers together, and all the variables

2.5x-75=0

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

2.5x=75

x=75/2.5

x=30

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