boybaby boybaby

03-01-2020
Mathematics

contestada

what is the solution of the systrem 2x - y = -7 4x - y = -4

Respuesta :

Yang100 Yang100

03-01-2020

Answer:

x=3/2, y=10. (3/2, 10).

Step-by-step explanation:

2x-y=-7

4x-y=-4

--------------

-2(2x-y)=-2(-7)

4x-y=-4

---------------------

-4x+2y=14

4x-y=-4

-----------------

y=10

2x-10=-7

2x=-7+10

2x=3

x=3/2

Answer Link

Otras preguntas

A monomer is a collection of polymers? True or false

Please solve: 10^5 / 10^543879 giving brainliest

What types of documents would you use “word processing” software to create and why?

Which is a true statement about the Treaty of Kanagawa?

20 points and brainliest for whoever answers this correctly Solve for x: 4(x + 2) = 3(x − 2) Group of answer choices −2 −4 −10 −14

Select the inequality represented by the graph

Which of the following individuals are NOT classified as a vulnerable population for foodborne illness? A. A three year old boy B. A twenty three year old pregn

what is the main source of power in america

Please help!! A medical company has developed a product that contains an enzyme that helps lactose intolerant individuals digest the sugar lactose, which is fou

i need help with this real bad 0.75 (8 + e)=2-1.25e