42=-4(x-7)

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Solution for 42=-4(x-7) equation: 



42=-4(x-7)

We move all terms to the left:

42-(-4(x-7))=0



We calculate terms in parentheses: -(-4(x-7)), so:

-4(x-7)

We multiply parentheses

-4x+28

Back to the equation:

-(-4x+28)



We get rid of parentheses

4x-28+42=0

We add all the numbers together, and all the variables

4x+14=0

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

4x=-14

x=-14/4

x=-3+1/2

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