Question

how many solutions are having 2 X + Y is equal to 7 and X + Y is equal to 5​

Answer 1

Answer:

here is the correct answer

Answer 2

Simplify:

Step-by-step explanation:

$\ Given \ value:\\\\2X+ Y\ = 7..........(i)\\\\X+Y\ = 5 \\\\\ Solution:\\\\\ equation \ (i) \ minus \ (ii)... \\\\ 2X+Y=7\\\\ X+Y= 5\\\\-\\\\X=2\\\\\ put \ the \ value \ of \ x \ in \ above \ equation\\\\2(2)+Y= 7\\\\4+Y=7\\\\Y= 7-4\\\\Y=3\\\\\ The \ given \ equation \ is \ linear \ so, \ there \\\ is \ only \ one \ solution \ is \ available.$

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