26-07-2016
Mathematics

contestada

Solve the system using substitution. What is the x-coordinate of the solution?
5x - y = 2
4x + 2y = 2

A. 1/7
B. 3/7
C. 7
D. 7/3

(if you could please explain it'd be greatly appreciated)

Respuesta :

cittycat66 cittycat66

26-07-2016

5x-y=2
x= 2+y/5
y=5x-2

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