smhnjrs2020 smhnjrs2020

03-02-2022
Mathematics

contestada

Use the Echelon Method: Solve x + 3y = 1
2x - 5y = 13

Respuesta :

reynawolfie reynawolfie

08-02-2022

Answer:

x= 4, y= -1

Step-by-step explanation:

-2(x +3y= 1)

-2x-6y=-2

2x -5y= 13

-11y= 11

y= -1

2x -5(-1)= 13

2x +5= 13

2x= 8

x= 4

Answer Link

Otras preguntas

In what type of real estate investment do you assume the role of a mortgage or student loan lender receiving interest and principal by check each month?

Describe some friends and family members and your relationships with them. further your participation in the discussion by asking questions about what others po

What mass of CaCO3 is required to react completely with 25. 0 ml of 0. 750 m HCl?

which type of investment do you prefer in the ongoing development projects in nepal

Which section of an unsolicited proposal should restate why you and your firm are the right organization to provide a solution?

question:|x-2|, if x > 5 simplify without the absolute value sign

3 A rocket of mass 1200 kg is travelling at 2000 m/s. It fires its engine for 1 minute. The forward thrust provided by the rocket engines is 10 kN (10 000 N). (

A piston-cylinder device contains helium gas, during a reversible, isothermal process the entropy of the helium will __________ increase.

Describe a place you visited during the summer break?

Describe how the mass spectrometry readout is consistent with the chemical structure of hydrochloric acid.