winterlove64 winterlove64

29-01-2018
Mathematics

contestada

URGENT PLEASE HELP x + y = 6
x - y = 8
Solve the system of equations.
(1, -7)
(7, -1)
no solution

Respuesta :

texaschic101 texaschic101

29-01-2018

x + y = 6
x - y = 8
-------------add
2x = 14
x = 14/2
x = 7

x + y = 6
7 + y = 6
y = 6 - 7
y = -1

solution is (7,-1)

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