7=3-2k

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Solution for 7=3-2k equation: 



7=3-2k

We move all terms to the left:

7-(3-2k)=0

We add all the numbers together, and all the variables

-(-2k+3)+7=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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