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

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

las lslas del rosario

_____ is not a primary concern when writing menu copy.

In a bumper car arena, two cars of equal mass are heading straight toward each other. The orange one is traveling at a speed of 5 meters per second. The green o

Can someone solve this 3 question

Cells tend to have a relatively small and uniform size. Why aren’t cells larger?

Why does he be so bad

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? A. An onion cell contains one nucleus, whereas a

Hannah is 3 years older than twice her brother Joey’s age. Joey is 2 years old. How old is Hannah? Show all of your work! The number of students is five more

Which Texas rancher was among the first to move cattle from the open range into fenced land

The trouble with poetry explain what collins says about the poet lawrence ferlinghetti