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

summary of each of the four sections of Justinian's Code
captain james cook claim australia for which country
Jules is 10 years older than juliane. in six years, the sum of their ages will be 50. how old is juliane now
Which of the following defines Romeo and Juliet as a tragedy, instead of a comedy? A. a corrupted social order B. a couple in love C. a death D. lovers sep
plz help me with this#7
6x+4y=18 slove for me thx
Week 8 Quiz - Taxes and W-2s (36pts) 1. When John received his W2, he received several copies. Why was he sent multiple copies of this form? John gets 2 copies
What are Cultural Connections?
Which of the following was not achieved in the Mauryan Empire under Asoka? The Empire's borders were expanded. The Empire enjoyed a golden age. Trade was str
16% of what equals 44?