Answer:
k=4
Step-by-step 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
