-18x=5x-3(3x+7)

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Solution for -18x=5x-3(3x+7) equation: 



-18x=5x-3(3x+7)

We move all terms to the left:

-18x-(5x-3(3x+7))=0



We calculate terms in parentheses: -(5x-3(3x+7)), so:

5x-3(3x+7)

We multiply parentheses

5x-9x-21

We add all the numbers together, and all the variables

-4x-21

Back to the equation:

-(-4x-21)



We get rid of parentheses

-18x+4x+21=0

We add all the numbers together, and all the variables

-14x+21=0

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

-14x=-21

x=-21/-14

x=1+1/2

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