9x-15-2x=-3(-20+3x)

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Solution for 9x-15-2x=-3(-20+3x) equation: 



9x-15-2x=-3(-20+3x)

We move all terms to the left:

9x-15-2x-(-3(-20+3x))=0

We add all the numbers together, and all the variables

9x-2x-(-3(3x-20))-15=0

We add all the numbers together, and all the variables

7x-(-3(3x-20))-15=0



We calculate terms in parentheses: -(-3(3x-20)), so:

-3(3x-20)

We multiply parentheses

-9x+60

Back to the equation:

-(-9x+60)



We get rid of parentheses

7x+9x-60-15=0

We add all the numbers together, and all the variables

16x-75=0

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

16x=75

x=75/16

x=4+11/16

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