michelle7084 michelle7084

04-03-2022
Mathematics

contestada

c) Solve the system by substitution.
x + 2y = -1
x- y = 5

c Solve the system by substitution x 2y 1 x y 5 class=

Respuesta :

repthebae repthebae

04-03-2022

First set 2nd equation to x.
X=5+y
Then substitute that for x in the 2nd equation.
5+y +2y = -1
So 3y = -6
Or y = -2

Then substitute -2 for y in first equation
X-(-2) = 5
Or x + 4 = 5
X= 1

Answer Link

Otras preguntas

The Assembly Department started the month with 24,500 units in its beginning work in process inventory. An additional 309,500 units were transferred in from the

Factors that played a role in the agricultural revolution in Britain in the 1700s

Which choice correctly describes this event? I will pull a blue marble at random out of a jar with 49 red marbles and 1 blue marble A) Certain B) Impossible Lik

Marie has hours to write a 45 page chapter for her book if Marie writes at a constant speed of 4 pages per hour will Marie complete the chapter on time

Tim is a nursing assistant who is going to help Curtis with shaving. Curtis has heart problems and takes a blood thinner. He also takes an anticoagulant. Which

Two 6-sided dice are rolled. what is the probability that the sum of the two numbers on the dice will be greater than 8?

What is the product of the monomials given? –18(ab)13 –18a7b6 –18a10b6 –18a7b9

The answer to this question

2. 3 qt =?L15lb=?kg7L=?qt

16 Here are two rectangles. 6 cm 10 cm 8 cm 12 cm Jim says, "The two rectangles are similar because 8 + 4 = 12 and 6+4=10 Is Jim correct? Explain your answer.