-84=3(2-5x)

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Solution for -84=3(2-5x) equation: 



-84=3(2-5x)

We move all terms to the left:

-84-(3(2-5x))=0

We add all the numbers together, and all the variables

-(3(-5x+2))-84=0



We calculate terms in parentheses: -(3(-5x+2)), so:

3(-5x+2)

We multiply parentheses

-15x+6

Back to the equation:

-(-15x+6)



We get rid of parentheses

15x-6-84=0

We add all the numbers together, and all the variables

15x-90=0

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

15x=90

x=90/15

x=6

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