Study Barn - 3x + y = 19 , and x + 3y = 1.Find the value of 2x + 2y

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3x + y = 19 , and x + 3y = 1.
Find the value of 2x + 2y

A. 5

B. 10

C. 12

D. 15

E. 20

Adding we get 4x + 4y = 20
Therefore 2x + 2y = 10.

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Taken: 51 times

Added: 10/29/2008

Liked: 1 time

Taggged: Math, SAT

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