2.22 Question 20 - Math

Mathematics
Tutor: None Selected Time limit: 1 Day

Feb 22nd, 2015

From second equation

x = -4y


15*-4y - 5y = 13

-60y - 5y = 13

-65y = 13

y = -0.2

x = -4*-0.2

x = 0.8

Solution ( 0.8, -0.2)

Please best answer.

Feb 23rd, 2015

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