147=-7(-3+x)

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Solution for 147=-7(-3+x) equation: 



147=-7(-3+x)

We move all terms to the left:

147-(-7(-3+x))=0

We add all the numbers together, and all the variables

-(-7(x-3))+147=0



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

-7(x-3)

We multiply parentheses

-7x+21

Back to the equation:

-(-7x+21)



We get rid of parentheses

7x-21+147=0

We add all the numbers together, and all the variables

7x+126=0

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

7x=-126

x=-126/7

x=-18

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