373,612 views
17 votes
17 votes
-127 = 2k - 5(5k + 7)
Pls help I need shown work

User Jolvera
by
3.1k points

1 Answer

15 votes
15 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 Hendekagon
by
2.7k points