If the graph of the equations x + y = 0 and 5y + 7x =24 intersect at ( – McqOptions

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1.	If the graph of the equations x + y = 0 and 5y + 7x =24 intersect at (m, n), then the value of m + n is :
A.	2
B.	1
C.	0
D.	1
Answer» D. 1

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