-3(7-k)=5k-7

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Solution for -3(7-k)=5k-7 equation: 



-3(7-k)=5k-7

We move all terms to the left:

-3(7-k)-(5k-7)=0

We add all the numbers together, and all the variables

-3(-1k+7)-(5k-7)=0

We multiply parentheses

3k-(5k-7)-21=0

We get rid of parentheses

3k-5k+7-21=0

We add all the numbers together, and all the variables

-2k-14=0

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

-2k=14

k=14/-2

k=-7

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