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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
X=7
(15x+3)=108
x=7
if you plug 7 in for x
(15(7)+3) it equals 108
Answer: 6√2
Decimal Form:
8.48528137
Step-by-step explanation: