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

It costs $5 dollars to have A tote bag monogrammed with up to 12 letters and $.50 for each additional letter. A club has a budget of $8 dollars maximum per tote

Are pencils biotic or abiotic because its not living but it was made out of wood which was a live

Organisms that are composed of many cells working together to form tissues, organs, and organ systems are referred to as _________. complex unicellular bicellul

Isotopes of uranium are the most common fuel used in nuclear power plants. True/ False

an equation stating that two ratios and rates are equivalent is a(n)

what are all of these?

What times what equals 24

If atoms are made up of smaller particles, such as protons, neutrons, and electrons, then why are atoms considered the smallest particles of an element?

Help Please!!!!!!!!!!! A laser printer prints 360 pages in 30 minutes. What is the printing rate in pages per minute?

Is peeling an orange a chemical reaction?