3k+(k-3)=7

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



3k+(k-3)=7

We move all terms to the left:

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

We get rid of parentheses

3k+k-3-7=0

We add all the numbers together, and all the variables

4k-10=0

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

4k=10

k=10/4

k=2+1/2

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