roxannehinata roxannehinata

13-01-2021
Mathematics

contestada

Is (7, 1) a solution to this system of equations?

8x + 7y = 8
x + y = 8

Respuesta :

imranhafeez73 imranhafeez73

14-01-2021

Answer:

8x+7y =8------P

x + y =8------q

multiplying 8 by q

we have

8x+8y = 64--------R

8x+7y=8------P

8x+8y=64----R Substracting R from P

-y = -56

y=56

putting the value of y in eq q

x+56=8

x=8-56

x= -48

(x,y)=( -48,56)

no solution (7,1)

Answer Link

Otras preguntas

Julian didn't know low grades could keep him off the football team. He failed to a. Locate resources c. Create a timeline b. Identify obstacles d. Write down th

they were talking about you change into passive voice

1Plss help,,,two to three sentencesPythagorean theorem

Sammy has 4 Nike sneakers to 5 adidas sneakers. Write three equivalent ratios?

What is Naturalistic about Chopin's two stories, "The Story of an Hour" and "A Pair of Silk Stockings"? Provide textual evidence to support your claim.

In IJK, the measure of K=90°, JI = 53, IK = 45, and KJ = 28. What ratio represents the sine of I?

A company has $530,000 in assets and $170,000 in shareholder's equity. What is the total of the company's liabilities? O A. $360,000 O B. $170,000 O C. $700,000

After driving 10 miles, in a 1/3 of a day, Mark is trying to figure out how many miles he will have driven after one day. Draw a picture or use an equation to h

What was the first example of a budget priced home suburb

Why did Powhatan begin fighting with the Jamestown colonists