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

Why does theory not match reality? in economics

california is a biodiversity hotspot. human activity has decreased native habitat by how many percent

can some body give me 3 solid argument on why canada should not give freshwater to other countries with evidence

are condoms a better option than birth control pills for protecting reproductive health

Describe how phospholipids form a barrier between water inside the cell and water outside the cell.

As a collision is about to happen if you had enough time to choose between hitting a large haystack or a telephone pole which one would you choose to hit explai

which could be found in prokaryotes? A. Endoplasmic Reticulum b. Nucleus c. mitochondrion d. flagellum

Approximately 32,300 citizens of a country died in automobile accidents in 2015, express this toll in deaths per day

A coral reef grows 0.19m every week. How much does it grow in 15 weeks?

Can anyone help me ? I need help ! Asap