elisedornberger elisedornberger

28-05-2020
Mathematics

contestada

Solve the system:
y = 4x + 6
-5x - y = 21

Respuesta :

armanc5 armanc5

28-05-2020

Substitute y in second equation
-5x-(4x+6)=21
-9x-6=21
9x+6=-21
9x=-27
X=-3
Solve for y:
Y=4(-3)+6
Y=-6

Answer Link

Otras preguntas

When the following equation is balanced with the lowest whole number coefficients possible, what is the coefficient in front of Na? Na (s) + H2O (g) yields NaOH

Read the excerpt from the Fourteenth Amendment of the United States Constitution. No state shall make or enforce any law which shall [take away] the privileges

Kevin delivers newspapers in his town every morning. The amount he earns from delivering newspapers is given by y = 30x + 18, where y is the amount he earns in

Why have improvements in microscopes over time resulted in revisions in the cell theory?

According to the lecture, which stage of writing makes it easier to draft the essay? a. revising c. prewriting b. editing d. publishing

Diseases which were passed down from parents are _____. deficiency contagious inherited pathogenic

Who believed the Exodus showed God's power? A. Egyptians B. Hebrews C. Pharaohs

How was the Arabian peninsulas location good for trade

At an animal rescue center, there are 22 cats 16 dogs and 4 horses what is the ratio of dogs to the total number of animals

Simplify: square root of 3 times square root of 21 square root of 24 square root of 63 3 square root of 7 None of the above