SOLUTION: -2(-7k+4)+9=-13 I need to find k.
-> SOLUTION: -2(-7k+4)+9=-13 I need to find k.
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I need to find k.
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let's expand the left-hand side and get
14k - 8 + 9 = -13
14k + 1 = -13
Now subtract 1, and get
14k = -14
and divide by 14 to get
k = -1