Question

solve earning subtraction method 10x+2y=4 15x-5y=-2​

Answer 1

Answer:

10x+2y=4

15x-5y=-2

5(10x+2y=4)

2(15x-5y=-2)

50x+10y=20

30x-10y=-4

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80x. =16

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16

x= ----

80

1

x= ---

5

1

10(---)+2y=4

5

10

--- +2y=4

5

2+2y=4

2y=4-2

2y=2

y=1.

x=1/5

y=1