08-06-2017
Mathematics

contestada

What is the solution to the following system of equations?

x+y=5
x-y=1

a. (-2, 7)
b. (2, 3)
c. (3, 2)
d. (7, -2)

Respuesta :

Аноним Аноним

08-06-2017

x+y=5
x-y=1
-------------add
2x = 6
x = 3

x+y=5
3+y=5
y = 2

solution
(3,2)

answer is c. (3, 2)

Answer Link

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