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12-01-2017
Mathematics

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Which of the following points is a solution to the following system of equations?

x + y = 1
3x – y = 3

A.
(3, 0)
B.
(5, –1)
C.
(1, 4)
D.
(1, 0)

Respuesta :

Аноним Аноним

12-01-2017

x + y = 1
3x – y = 3
---------------add
4x = 4
x = 1

x + y = 1
1 + y = 1
y = 0

answer D.
(1, 0)

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