haylieb2 haylieb2

23-02-2017
Mathematics

contestada

y = 7x – 16,

y = 2(2x – 5)

What is the solution?

Respuesta :

23-02-2017

7x - 16 = 2(2x - 5)
7x - 16 = 4x - 10
7x - 4x = 16 - 10
3x = 6
x = 2

y = 7*2 - 16 = 14 - 16 = - 2

Answer
( 2; - 2)

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