wattsamy4018 wattsamy4018

20-07-2017
Mathematics

contestada

Solve the system algebraically.

2x + y - 10 = 0
x - y - 4 = 0

What is the value of y?
its not 14/3

????

Respuesta :

choixongdong choixongdong

20-07-2017

2x + y - 10 = 0
x - y - 4 = 0
------------add
3x - 14 =0
3x = 14
x = 14/3

x - y - 4 = 0
14/3 - y - 4 = 0
y = 14/3 - 4
y = 4 2/3 - 4
y = 2/3

answer
y = 2/3
hope it helps

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Аноним Аноним

20-07-2017

I think it's 14/3 too
:)

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