chris936865s chris936865s
  • 03-03-2020
  • Mathematics
contestada

What is the value of x in the solution to this system of equation
y + 2x = -1
y= x+4
x
+
4

Respuesta :

bhuvna789456
bhuvna789456 bhuvna789456
  • 11-03-2020

The value of x is 1 in the solution to this system of equation.

Step-by-step explanation:

The system of equation are :

2x+y = -1  ---------(1)

x-y = 4  ---------(2)

Adding the equations (1) and (2),

2x+y = -1

x - y = 4  

3x    = 3  

⇒ 3x = 3

⇒ x=3/3

⇒ x = 1

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