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3 years ago

3x + 2y = 7 y = x – 4 (3, –1) (2, 6) (6, 2) (–1, 3)

1 answer:

7 0

3x + 2y = 7

y = x - 4

3x + 2(x - 4) = 7
3x + 2x - 8 = 7
5x = 7 + 8
5x = 15
x = 15/5
x = 3

y = x - 4
y = (3) - 4
y = -1

the solution to the set is (3, -1)

hope this helps :)

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