logianwilliam logianwilliam

17-02-2020
Mathematics

contestada

The value of the expression 8–y is 2 times as large as the value of the expression 7+y. Solve for y.

Respuesta :

Onoriodefelix Onoriodefelix

17-02-2020

Answer:

y = -2

Step-by-step explanation:

8 - y = 2(7+y)

Distribute the right side

8 - y = 2x7 + 2xy

8 - y = 14 + 2y

Collect like terms

8 - 14 = y + 2y

-6 = 3y

Divide both sides by 3

-6/3 = 3y/3

-2 = y

y = -2

Answer Link

Otras preguntas

What is 7/12 as a decimal

Which was an accomplishment of one of the major reform movements of the 1800s? Massachusetts passed a law in 1852 requiring children to go to school. By

5x-4y-6z = -3 X-3y+z=-1 -3x-6y+7z=1

Oil having a density of 930 kg/m^3 floats on water. A rectangular block of wood 4.93 cm high and with a density of 968 kg/m^3 floats partly in the oil and partl

Three months after returning home from West Africa, a 50-year-old man begins experiencing a fever, cough, and muscle aches. The EMT should suspect: Select one:

A bowler throws a bowling ball of radius R = 11 cm along a lane. The ball slides on the lane with initial speed [tex]v_{com}[/tex],0 = 9.0 m/s and initial angul

CHIU TOTIUVINIG SCIENCE: If the main speaker goes out during the production, there should be speakers as backup. O candid O grievous O auxiliary O incredulous O

Which describes an impact of Common Sense on the American colonist in the 1776? Answer choices: a) they favored a separation of the powers of government into

Two angles are complementary. The measure of the larger angle is 5 more than 4 times the measure of the smaller angle. Find the measures of both angles.

Choose whether the verbal underlined in the sentence below is a participle, gerund, or infinitive. To see an eagle soar in the air is an incredible sight. a. pa