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

Choose the correct graph to fit the inequality x^2 - y^2 < 9

Under normal temperature and pressure conditions, what type of rock could be formed from the weathering and erosion of metamorphic rock

Any clue any one? Need help

A change brought about by the economic growth of the 1980s was A. that Americans paid higher taxes to fund social programs. B. the availability of additional

A candy bar is rectangular in shape and measures 3 inches by 4 inches by .5 inches. How many of the candy bars will fit into the shipping box that measures 2 in

Choose the answer. Read the passage. And so he plays his part. The sixth age shifts Into the lean and slippered pantaloon, Which best identifies the meter of

Which sentence demonstrates sexual harassment in the workplace? Smith and Associates are having their annual Christmas party. The staff is having a good time. A

This is a type of living vascular tissue in plants, that transports sugars from the leaves down to the stems and the roots.

what type of front is associated with hail storms

How can positive parenting help a child's self-growth?