Math, asked by tahirakhurram3, 2 months ago

x + y = 9
5x - 2y = 4

Answers

Answered by rishav2233

2

Answer:

$x = 9 - y \\ 5x - 2y = 4 \\ 5 \times (9 - y) - 2y = 4 \\ 45- 5y - 2y =4 \\ - 5y - 2y = 4 - 45 \\ 7y = - 41 \\ y = - \frac{41}{7}$

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