13-11-2014
Mathematics

contestada

How do you solve the linear equation:
3x+2y=11
7x-y=3
By using the elimination method?!

Respuesta :

aayushg999 aayushg999

13-11-2014

3x + 2y = 11

2(7x - y) = 2(3)

14x-2y=6

Adding both equations
3x + 2y = 11

14x-2y=6

17x=17

x=1

substitute x = 1 in any equation

3(1) + 2y = 11

2y = 8

y = 4

Solution: x=1 y=4

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