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07-01-2021
Mathematics

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2y-x=8 and y-2x=-5. Solve the system of equations

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Аноним Аноним

07-01-2021

Answer:

y = 7 x = 9

Step-by-step explanation:

2y-x=8

2(2y-x=8)

4y-2x=16

-(y-2x= -5)

3y +0x= 21

3y=21

y=7

2(7)-x=8

14-x=8

9=x

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