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

someoneeee help plsss
cat e radical la patrat ????????????????????????????????
Someone help me how do you plot this? Kinda blurry sorry
In the video you just watched, what is the main idea that President Obama is trying to communicate
Imagine you are a scientist working at Yellowstone national park. Your job is to calculate how many animals are living within the park each season. 1. Why might
Can someone help me with my Spanish
HELP ASAP!!!The first one is wrong, and I need to know why is wrong and now what the correct answer might be, and also, why it is correct
Which countries have a bad relationship with canada ?​
Safety protocols integrate O A. only recommendations from federal organizations, nonprofits, private manufacturers, and other groups B. only safety recommendati
PART IV: Rewrite the following passive paragraph in active (10%)Rockets were invented by the Chinese about A.D. 1000. Gunpowder was packed into bambootubes and