-45=3x-3(5x-5)

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Solution for -45=3x-3(5x-5) equation: 



-45=3x-3(5x-5)

We move all terms to the left:

-45-(3x-3(5x-5))=0



We calculate terms in parentheses: -(3x-3(5x-5)), so:

3x-3(5x-5)

We multiply parentheses

3x-15x+15

We add all the numbers together, and all the variables

-12x+15

Back to the equation:

-(-12x+15)



We get rid of parentheses

12x-15-45=0

We add all the numbers together, and all the variables

12x-60=0

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

12x=60

x=60/12

x=5

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