Solve for k
k=-6
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12+3k=2\left(3+k\right)
Use the distributive property to multiply 3 by 4+k.
12+3k=6+2k
Use the distributive property to multiply 2 by 3+k.
12+3k-2k=6
Subtract 2k from both sides.
12+k=6
Combine 3k and -2k to get k.
k=6-12
Subtract 12 from both sides.
k=-6
Subtract 12 from 6 to get -6.
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