Question

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Answer 1

Step-by-step explanation:

Hey I'll answer

2nd one Idk first one is that okay?

2)

2^x+y = 2^7.......(1.1)

(x+y = 7)............(1.2)

4^x-y = 4^2........(2.1)

(x-y =2)...........(2.2)

solve (1.2) and (2.2)

x+y = 7

x-y = 2

________

2x = 9

x= 9/2

x+y = 7

9/2 +y = 7

y = 7-9/2

y=6/2

y= 3

x/y = 9/2/3

= 3/2

hope it helps you buddy

Answer 2

Answer:

2^x+y=128

2^x+y=2^7,

x+y=7,

4^x-y=16

4^x-y=4^2

x-y=2,

solve the two equations,

2x=9

x =9/2

substitute x in first equation,

9/2+y=7

9+2y=14

y=5/2

x/y = 9/2×2/5 =9/5

x/y =9/5