Hifood03 Hifood03

14-08-2018
Mathematics

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solve the system by graphing... 2x-y= -5 x-y=0

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choixongdong choixongdong

14-08-2018

2x-y= -5

x-y=0 ....> x = y

Substitute x = y into 2x-y= -5

2x - x= -5

x = -5

x = y = -5

Answer

(-5 , -5)

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