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X + 5y = -2 2x + y = 5 The point of intersection of the lines has a y-coordinate of _____. a) -1 b) 1 c) 3

X + 5y = -2 2x + y = 5 The point of intersection of the lines has a y-coordinate of _____. a) -1 b) 1 c) 3
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X + 5y = -2

2x + y = 5

The point of intersection of the lines has a y-coordinate of _____.

a) -1
b) 1
c) 3

asked
User Yoni
by
8.2k points

1 Answer

4 votes
x + 5y = -2 ------(1)
2x + y = 5 ------(2)
fr (1)
x + 5y = -2
2x + 10y = -4 ------(3)
(2)-(3)
2x + y - 2x - 10y = 9
-9y = 9
y = -1

Therefore, answer is (a).


answered
User Ebandersen
by
8.1k points
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