berkeleystir berkeleystir

01-04-2019
Mathematics

contestada

solve the system of equations using elimination/ combinations.
-2x - y= -4
x+ 2y = 5

Respuesta :

LammettHash LammettHash

01-04-2019

If [tex]-2x-y=-4[/tex] and [tex]x+2y=5[/tex], notice that

[tex](-2x-y)+2(x+2y)=-4+2\cdot5\implies3y=6\implies y=2[/tex]

Then

[tex]x+2\cdot2=5\implies x=1[/tex]

Answer Link

Otras preguntas

WHO ARE THE REAL NATIVE AMERICAN INDIAN'S?

Two of the sentences below are correct. Please choose the one that is not correct due to subject-verb disagreement. Tip: Read each sentence carefully and aloud

If the purpose of an animal shelters last newsletter is to get people to volunteer more, which of the following approaches would feature the rhetorical appeal p

. If/ he/ like/ spicy food/ might/ add more pepper

what is integration movement

12. A concave lens has a focal length of 10 cm. An object 2.5 cm high is placed 30 cm from the lens. Determine the position and size of the image. (3)

What are the qualities that Yeats wants his daughter to cultivate?

what is laxmi mainali from birtamode jhapa eden garden education Foundation

please help!!!find the measure of the largest interior angle of this polygon

fill in each balance???