belle2648 belle2648

07-01-2021
Mathematics

contestada

2y-x=8 and y-2x=-5. Solve the system of equations

Respuesta :

Аноним Аноним

07-01-2021

Answer:

y = 7 x = 9

Step-by-step explanation:

2y-x=8

2(2y-x=8)

4y-2x=16

-(y-2x= -5)

3y +0x= 21

3y=21

y=7

2(7)-x=8

14-x=8

9=x

Answer Link

Otras preguntas

Is it wise for a firm to employ a worker at $20 per hour when another worker does the same job for $10 per hour? It would be a rational decision if the first

Imagine that you are given 25 germinating pea seeds that have been placed in boiling water for five minutes. You place these seeds in a respirometer and collect

A biologist is studying a structure that is made up of two layers of phospholipids. What is she most likely studying? DNA molecules cell membranes fats wax

In the Iran–Contra Affair, why were weapons sold to Iran, which was designated a state sponsor of terrorism in 1984? Check all that apply. to support moderate f

software that interpret commands from the keyboard and mouse is known as the

1. This allows student religious groups to meet in high schools receiving federal funds. free exercise clause Engle v. Vitale Equal Access Act establishmen

Must a function that is decreasing over a given interval always be negative over that same interval? Explain.

Children and adults can both benefit from having a dietician. True or false?

What characteristic do the nucleus, the mitochondria, and the vacuoles of animal cells have in common? A. They all create energy while doing their tasks. B. T

Which is the correct process for selecting nonconsecutive worksheets in a workbook?