42=-7(y+49)

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Solution for 42=-7(y+49) equation: 



42=-7(y+49)

We move all terms to the left:

42-(-7(y+49))=0



We calculate terms in parentheses: -(-7(y+49)), so:

-7(y+49)

We multiply parentheses

-7y-343

Back to the equation:

-(-7y-343)



We get rid of parentheses

7y+343+42=0

We add all the numbers together, and all the variables

7y+385=0

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

7y=-385

y=-385/7

y=-55

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