-3(5x-21)+7=5(x-2)

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Solution for -3(5x-21)+7=5(x-2) equation: 



-3(5x-21)+7=5(x-2)

We move all terms to the left:

-3(5x-21)+7-(5(x-2))=0

We multiply parentheses

-15x-(5(x-2))+63+7=0



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

5(x-2)

We multiply parentheses

5x-10

Back to the equation:

-(5x-10)



We add all the numbers together, and all the variables

-15x-(5x-10)+70=0

We get rid of parentheses

-15x-5x+10+70=0

We add all the numbers together, and all the variables

-20x+80=0

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

-20x=-80

x=-80/-20

x=+4

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