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

Answer Link

Otras preguntas

Find the value of x. X=____
Cierra says that 5/6 × 5/6 equals 25/6. Which of the statements below is true?
A car of mass 2400kg moving at 20 m/s slams into a cement wall and comes to a halt?
Some animals can produce a potassium ion concentration inside their cells that is twenty times greater than that of their environment. This ion concentration gr
write a rule to describe the transformation the is a reflection across the y-axis
Simplify the polynomial. a. 18a+(a–9)^2
how does the rule of law effect the actions of government
Julissa gave out an equal number of oranges to each of the 6 apartments on her floor. If she gave each apartment 5 orange, how many oranges did Julissa give out
A new screening test for lyme disease is developed for use in the general population. the sensitivity and specificity of the new test are 60% and 70%, respectiv
A sound that measures 30 decibels is how many times louder than the theshold of hearing