torreseli146 torreseli146

01-04-2021
Mathematics

contestada

What is the x-value of the solution to this system of equations?
Y=2/7x-1
2x + 7y = -49

Respuesta :

karkismriti176 karkismriti176

04-04-2021

Answer:

x = -21/2

Step-by-step explanation:

y= 2/7 x-1

or, 7y= 2x -7

or, 2x -7y =7

2x + 7y = -49

4x = -42

x= -21/2

y= 2/7 × -21/2 -1

= -4

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