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djyliett [7]
3 years ago
14

Which order pair is a solution to the system of linear equations -4+y=8 and x-5y=17?

Mathematics
2 answers:
nata0808 [166]3 years ago
7 0

Answer:

(77,12)

Step-by-step explanation:

-4+y=8

x-5y=17

We need to solve for x  and y

USe substitution method, we solve the first equation for y

-4+y=8 , add 4 on both sides to get y alone

y=12

Now we plug in 12 for y in the second equation and find out x

x-5y=17

x-5(12)=17

x-60=17

Add 60 on both sides

x= 77

The ordered pair is (x,y). our x=77 and y=12

So ordered pair is (77,12)

andreev551 [17]3 years ago
4 0

Hello!

To find this ordered pair, we solve for x and y and put them together in an ordered pair.

-4+y=8

x-5y=17

Let's solve the first equation for y.

y= 12

Now, let's plug 12 into the second equation for y.

x-5(12)=17

x-60=17

x=77

Therefore, our ordered pair is (77,12)

I hope this helps!

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