Math, asked by rameshthorat15, 8 months ago

2x + 5y = 17 , 5x+2y=12 , x-y= ?

Answers

Answered by tyrbylent

0

Answer:

$- \frac{5}{3}$

Step-by-step explanation:

2x + 5y = 17 ....... (1)

5x + 2y = 12 ....... (2)

(1) × 5 + (2) × ( - 2)

25y - 4y = 85 - 24

21y = 61

y = $\frac{61}{21}$

2x + $\frac{305}{21}$ = 17

x = $\frac{26}{21}$

$\frac{26}{21}$ - $\frac{61}{21}$ = - $\frac{5}{3}$

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