miranda160322015 miranda160322015

03-11-2021
Mathematics

contestada

Solve the following system of equations . y = - x + 7, \qquad 4x - 5y = 10 Write your answer as an ordered pair in the form(x,y)

Respuesta :

kailemontefalco kailemontefalco

03-11-2021

Answer:

(5, 2)

Step-by-step explanation:

Lets substitute y = -x + 7 into 4x-5y=10

Then we can write 4x-5y=10 as 4x-5×(-x+7)=10,

4x-(-5x)-35=10

9x-35=10

9x=45

x=5, therefore, y= -5+7=2

Answer Link

Otras preguntas

solve the equation 2^x=20

While performing an experiment at home, Emma adds lemon juice to a soap solution. How will this affect the pH of the soap solution?The pH will remain constant.o

Triangle ABC is translated on the coordinate plane below to create triangle A'B'C'. If parallelogram EFGH is translated according to the same rule that transla

Which of the following substances will cause the least temperature change if the same amount of each substance is added to 1.0 kg of water?

what happens when a solid compound dissolves in water?

The following sentence fragment can be completed by adding the words ‘The story’: deals with Chicano (Mexican American) culture in a neighborhood. True False

Cell theory teaches that

is drinking a large amount of alcohol very quickly for the sole purpose of getting impaired.beer bong

mike reads 5 pages an hour the independent variable is time what is the dependent variable

The product of two consecutive odd integers is 2,115. Find the integers. Which of the following quadratic equations could be used to solve the word problem?a.