kangamango
kangamango kangamango
  • 03-01-2017
  • Mathematics
contestada

Solve the system of equations by substitution. What is the solution for x?
2x + y = 1
4x + 2y = -2

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 03-01-2017
subsituteion
solve for y
2x+y=1
minus 2x
y=1-2x
sub 1-2x for y

actualy, divide 2nd equation by 2
2x+y=-1
sub 1-2x for y
2x+1-2x=-1
1=-1
false

no solution
paralell lines
Answer Link

Otras preguntas

How might you develop your sense of timing?
Yuna wants to connect with the setting in the excerpt so she camn visualize it better. What is the best question for her to ask in order to form a mental pictur
Look at the graph of the linear function. The rate of change between point A and point B is 2. What is the rate of change between point C and point D? A.= negat
please answer this asap
Does a sled have inertia while sitting still
Which of the given values is a solution to the equation āˆ’4u+3=4uāˆ’5
Alex had 250 bracelets to sell. He only sold 2/5 of his stock this week. How much did he sell
most safety professionals agree that the most critical element in the prevention of injuries and incidents is
Which Health-related fitness component can help lower blood pressure? Question 1 options: Reaction Time Speed Flexibility Cardiorespiratory Fitness
9 and 26 find the LCM