zekkosyt zekkosyt

02-11-2020
Mathematics

contestada

A system of equations is shown.

3x+y=20

2x−2y=8

What is the value of x+y for the system of equations?

Respuesta :

emmymstarr emmymstarr

03-11-2020

Answer:

x+y=8

Step-by-step explanation:

2(3x+y=20)

6x+2y=40

2x-2y=8

8x=48

x=6

18+y=20

y=2

Answer Link

Otras preguntas

Work the following pricing problems for services rendered. (For all calculations use hundredths.) Labor time = 4 1/2 hours Overhead rate = 95% Retail price o

To ensure the greatest nutritional benefits, dietary guidelines suggest which of the following? a. Washing foods before eating them b. Eating nutrient-dense f

The Roman Constitution called for the government to be made up of the senate, the legislative assemblies, and the executive magistrates. This is an example of

After the French Revolution of 1791 and the Napoleonic Wars, European leaders’ greatest goal was to

what is a cell made of?

How are Cicero’s writings different from Juvenal’s

In this atmospheric layer, metoers burn up true or false

Find the approximate area of a circle with radius equal to 8 ft.

Jika diketahui f(x)=sin x maka nilai f(180/4)

Two number have a sum of 71 and a difference of 37