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Today at 12:02 AM
Mathematics

Answered

4x+y=17

7y=4x-9

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Answer :

Today at 12:07 AM

Answer:

x=4

y=1

Step-by-step explanation:

4x=7y+9

4x+y=17

7y+9+y=17

8y=17-9

8y=8

y=1

so

4x=7*1+9

4x=16

x=16/4

x=4

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