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DerKrebs [107]
3 years ago
5

9x+5y=8 3x–y=4 what is the y-value of the solution to the system?

Mathematics
1 answer:
CaHeK987 [17]3 years ago
3 0

Answer:

y=7.51

Step-by-step explanation:

First, you have to simplify one of the equations down

3x-y=4

y=-4+3x

Second, you insert the value of y into the other equation and then solve for x

9x+5(-4+3x)=8

9x-20+15x=8

24x=28

x=1.17

Last, insert the value of x into the original equation and then solve for y

y=4+3(1.17)

y=7.51

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