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-127 = 2k - 5(5k + 7)
Pls help I need shown work

User Ella Cohen
by
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1 Answer

3 votes

Answer:

k=4

Explanation:

−127=2k−5(5k+7)

−127=2k+(−5)(5k)+(−5)(7)(Distribute)

−127=2k+−25k+−35

−127=(2k+−25k)+(−35)(Combine Like Terms)

−127=−23k+−35

−127=−23k−35

−23k−35=−127

−23k−35+35=−127+35

−23k=−92

−23k /−23 = −92 /−23

k=4

User Mizux
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