londonwilk8 londonwilk8

02-04-2020
Mathematics

contestada

(7x-y=7
(x+2y=6 estimate the solution to the system of equations

Respuesta :

ChengYuInChina ChengYuInChina

16-07-2022

Answer:

x=4/3; y=7/3

Step-by-step explanation:

x+2y=6,

x=6-2y.

7(6-2y)-y=7,

42-14y-y=7,

15y=35,

y=7/3.

x+2y=6,

x+2*7/3=6

x=4/3

∴x=4/3, y=7/3.

Answer Link

Otras preguntas

5. Which sentence shows correct capitalization? Mr. Brown always makes his students read both the Bill of Rights and the constitution of the United States. Mr.

a. Find the length of the midsegment of an equilateral triangle with side lengths of 12.5 cm. b. Given that UT is the perpendicular bisector of AB, where T is o

How to work out 161 as a percentage of 3500

which of the following is an aphorism?A. Franklin was a creative force in America B. Too many cooks spoil the broth C. It was my sincere desire to go back home

In the following question, a is a real number. Question: what choice of a would yield a system of linear equations with NO solutions? 9x-14y=-3 2x-ay=-6

Gabat Inc. is a merchandising company. Last month the company's merchandise purchases totaled $67,000. The company's beginning merchandise inventory was $19,000

how many dollars are in 100 grand?

Which of the statements best describes the communist ideal? A. a classless society in which everyone works for the common good B. a classless society in which

what increase electrical resistance of metal?

Which of the following is not true? Which of the following is not true? The Kelvin scale starts at absolute zero. The freezing point of mercury is -39Â° C. Ice