Answer:
k= -9
Step-by-step explanation:
2k-3=9k+63-3 [expand the 9(k+7) first]
2k-9k=63-3+3 [put the like terms together]
-7k=63 [do the simple math]
k= 63 ÷ by -7
k=-9
K = -9
2k-3 = 9(k+7)-3
2k-3 = 9k+63-3
2k-3 = 9k+60
2k-9k = 60+3
-7k = 63
-k = 9
k = -9
