bekah5332
bekah5332
04-02-2017
Mathematics
contestada
I'm lost.. How do you even start it???
Respuesta :
konrad509
konrad509
04-02-2017
[tex]2x+y=4\\ -x+y=1\\\\ 2x+y=4\\ \underline{x-y=-1}\\ 3x=3\\ x=1\\\\ 1-y=-1\\ y=2 [/tex]
Answer Link
wolf1728
wolf1728
04-02-2017
A) 2x + y = 4
B) -x + y = 1
Multiply B) by 2
B) -2x + 2y = 2 then add to A)
A) 2x + y = 4
3 y = 6
y = 2
B) -x + y = 1
-x +2 =1
x = 1
Answer Link
VER TODAS LAS RESPUESTAS ( 33+ )
Otras preguntas
Jimmy has a number cube labeled 1through 6, and a penny. How many different ways can the cube and penny land with one roll of the cube and one flip of the penny
Using African people to help European officials administer a colony was known as what form of government?
which amendment is not described correctly
Flowering plants are a group of plants that have sexual reproductive organs called flowers, as well as leaves, stems, and roots. Flowers contain male and female
Explain why did single-member districts evolve in the house?
The branch of science that provides a counterexample to the notion that every event has a cause is known as _____. quantum physics quantum computing relativity
Define the following word using the meaning of the suffix. Use your dictionary if you are uncertain of the definition. pretentious
Read the passage. Many ethnic groups lived in arctic regions. The Inuit lived near the Atlantic Ocean in Greenland, and the Saami lived in the arctic regions of
Problem: Sean's mom asks him how long his homework will take. He tells her that he needs to read for 25 minutes and also do some math problems that will take m
which of the fallowing is a factor? EXPLAIN:
