Question

if 5x-7y=25 and 7x+-5y=23 find x+y​

Answer 1

Answer:

by elimination method

multiply equ. 1 by 5

(5x-7y=25)x5

25x-35y=125

now multiply equ. 2 by 7

(7x

bhai log equ. 2 mein plus minus dono hai see question please give me correct answer

Answer 2

Answer:

x+y = 3÷2 +(-5÷2)

3/2-5/2 = 3-5/2

= -2/2

= -1

here, answer is x+y = (-1)

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