substitution to solve the system

Algebra
Tutor: None Selected Time limit: 1 Day

substitution to solve 

       x=2y-13

2x+5y=19

May 27th, 2015

4y-26+5y = 19

9y = 45

y = 5

x = 2*5-13 = -3



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May 27th, 2015

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May 27th, 2015
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