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24-07-2019
Mathematics

contestada

What is the value of x in the equation 4x + 8y - 40, when y-0.8?
4.6
0 8.4

Respuesta :

Gasaqui Gasaqui

30-07-2019

Answer:

8.4

Step-by-step explanation:

the equation 4x+8y -40 can be written as 4x-8y-40=0, this represents a line in a space of two dimensions.

solving for x when y=0.8 we have the equation below>

[tex]4x+8*0,8-40=0[/tex]

Which gives that x=42/5, or in more simpler terms, 8.4

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