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06-04-2017
Mathematics

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

Respuesta :

Аноним Аноним

06-04-2017

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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