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15-02-2021
Mathematics

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unicorn3125 unicorn3125

15-02-2021

Answer:

y = 4

Step-by-step explanation:

x + 2y = 10 ⇒ 2y - 10 = -x

-x + 4y = 14

2y - 10 + 4y = 14

6y = 24

y = 4

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