7=3k+2(5k-3)

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



7=3k+2(5k-3)

We move all terms to the left:

7-(3k+2(5k-3))=0



We calculate terms in parentheses: -(3k+2(5k-3)), so:

3k+2(5k-3)

We multiply parentheses

3k+10k-6

We add all the numbers together, and all the variables

13k-6

Back to the equation:

-(13k-6)



We get rid of parentheses

-13k+6+7=0

We add all the numbers together, and all the variables

-13k+13=0

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

-13k=-13

k=-13/-13

k=1

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