Question

solve the following equation simultaneously
(2x+y=-2;3x-y=7)​

Answer 1

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Answer 2

sol)

2x+ y= -2 ...... I

3x- y = 7 ...... ii

adding equation i and ii

2x + y = -2

➕ 3x - y = 7

5x= 5

x= 1

putting x in equation i

2 ×1+ y= -2

2 + y= -2

y = -2-2
y = -4 ans