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hram777 [196]
4 years ago
5

2х - Зу = 4 5x - Зу = 7 Using combination method

Mathematics
1 answer:
LenKa [72]4 years ago
5 0

Let us subtract equation 1 from equation 2.

5x - 3y - 2x + 3y = 7 - 4

3x = 3

x = 1

Substituting this value of x in equation 1, we get

2x - 3y = 4

2 - 3y = 4

-3y = 2

y = \frac{-2}{3}

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