estellamariexx estellamariexx

19-02-2019
Mathematics

contestada

What is the solution to the following system of equations?

x+y=5
x-y=1
step by step

Respuesta :

SuiteLyfeOfKy SuiteLyfeOfKy

19-02-2019

x+y=5
-x -x

Equals:

y=-x+5

Now you have:

y=-x+5
x-y=1

Insert -x+5 into y

x-x+5=1

Combine like terms

2x+5=1

Subtract 5.

2x=-4

Divide 2.

Answer: x=-2

Answer Link

Otras preguntas

Carbohydrate that is consumed during endurance exercise appears to delay fatigue by:

According to this model, what two factors does a farmer consider when deciding what to plant?

Calculate the partial pressure of phosgene that is in equilibrium with a mixture of 0. 025 atm of carbon monoxide and 0. 003 5 atm of chlorine at 600°c.

White blood cells have an important function in the human immune system. They leave the blood stream and attack and engulf invading bacteria and fungi. how do w

This governor was partially responsible for creating the Erie Canal. a. Clay c. Gallatin b. Clinton d. Crawford

If you had a friend who was struggling with their weight what are three healthy weight loss strategies that you would suggest and why

find the approximate surface area of a bowling ball with a raius of 5 inches

Who is responsible for summoning members of the public for jury duty and subpoenaing witnesses for the prosecution and the defense?

Elisa antigen detection prelab how does the immune system protect us from disease?

How to find the degree of each monomial?