25-07-2016
Mathematics

Answered

Solve the system using substitution. What is the x-coordinate of the solution?

5x - y = 2

4x + 2y = 2

A1/7
B3/7
C7
D7/3

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

Verified Answer :

cittycat66 cittycat66

26-07-2016

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

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