3 years ago

5x - 2y = 142x + 2y = 14[by elimination]

Mathematics

1 answer:

kenny6666 [7]3 years ago

4 0

Answer:

x=4, y =3

Step-by-step explanation:

5x - 2y =14

2x +2y =14

Remains

5x +2x =14+14

7x=28

x=28 :7

x=4

Now we go to the first equation

5×4 - 2y =14

20 - 2y =14

-2y =14-20/×(-1)

2y =6

y=6 :2

y=3

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5x - 2y = 142x + 2y = 14[by elimination]​

5x - 2y = 142x + 2y = 14[by elimination]