7=2k+3

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Solution for 7=2k+3 equation: 



7=2k+3

We move all terms to the left:

7-(2k+3)=0

We get rid of parentheses

-2k-3+7=0

We add all the numbers together, and all the variables

-2k+4=0

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

-2k=-4

k=-4/-2

k=+2

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