raul12040 raul12040

11-07-2022
Mathematics

contestada

2x − 4y = 40,
−x + 2y = −20

Find x and y intercept

Respuesta :

Eddie1Wan Eddie1Wan

11-07-2022

Answer:

The x and y intercept are (20,0)

Step-by-step explanation:

2x-4y=40—eqn1

-x+2y=-20—eqn2

Make x the subject of eqn2

-x=-20-2y

x=20+2y

plug this into eqn 1

2(20+2y)+4y=40

40+4y+4y=40

8y=40-40

y=0

plug y=0 into eqn2

-x+2(0)=-20

-x=-20

x=20

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