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14+k+k=-3(2+k)
We move all terms to the left:
14+k+k-(-3(2+k))=0
We add all the numbers together, and all the variables
k+k-(-3(k+2))+14=0
We add all the numbers together, and all the variables
2k-(-3(k+2))+14=0
We calculate terms in parentheses: -(-3(k+2)), so:We get rid of parentheses
-3(k+2)
We multiply parentheses
-3k-6
Back to the equation:
-(-3k-6)
2k+3k+6+14=0
We add all the numbers together, and all the variables
5k+20=0
We move all terms containing k to the left, all other terms to the right
5k=-20
k=-20/5
k=-4
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