6x-18=-3(5x+20)

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Solution for 6x-18=-3(5x+20) equation: 



6x-18=-3(5x+20)

We move all terms to the left:

6x-18-(-3(5x+20))=0



We calculate terms in parentheses: -(-3(5x+20)), so:

-3(5x+20)

We multiply parentheses

-15x-60

Back to the equation:

-(-15x-60)



We get rid of parentheses

6x+15x+60-18=0

We add all the numbers together, and all the variables

21x+42=0

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

21x=-42

x=-42/21

x=-2

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