Step-by-step explanation:
7y +7x +5 = > answer
hope this will be helpful to you.
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Answer:
9A-F
9B-EI
9C-FG
Step-by-step explanation:
Kx-3y=k
y=4x+1 ( we will put it in 1st equation )
kx - 3 (4x+1)=k
kx - 12 x - 3 =k
kx - 12 x = k+3
x(k-12) = k+3
x=

Also y=

We can not divide with zero.
k-12=0
k=12For k= 12 equations have no solutions.
I believe the answer should be approximately 6,147 because you would plug into the equation y=20,000(.95)^t, where t=23.