26floresv 26floresv

05-04-2022
Mathematics

contestada

Solve the system of equations:

4x-5y=21
3x+10y= -53

Respuesta :

MAHSAfn MAHSAfn

09-04-2022

Step-by-step explanation:

2× (4x-5y) = 21

3x+10y= -53

-------------------------

8x-10y = 42

3x+10y=-53

------------------------

11x= -11

{x=-1}

-----------------

3x+10y=-53

x=-1

3(-1)+10y=-53

-3+10y=-53

10y= -50

{y=5}

Answer Link

Otras preguntas

Lactase is an enzyme that is produced in the lining of the intestines. This enzyme helps the body speed up the breakdown of carbohydrates that are found in dair

El romboide tiene dos pares de lados opuestos ( a veces) (siempre ) o (nunca) por que? Un rmbo es un cuadrado ( a veces) (siempre ) o (nunca) por que? Un parale

A solution of the ionic salt NaF would have _____ pH. A. An acidic B. A basic C. A neutral

What does "Q" represent on the graph? The point where the equilibrium is achieved The quantity at the equilibrium point The average cost of goods sold The poi

if 2/a=1/b-1/d find an expression for d in terms of a and b

The beta coefficient A stock's contribution to the market risk of a well-diversified portfolio is called risk. According to the Capital Asset Pricing Model (CAP

Sathish is going on a 2100 km road with 2 friends, whom he will pick up 150 kilometers after he begins the trip and drops off when 150 kilometers are remaining.

I need help ASAP !!!!

What is the nth term rule of the quadratic sequence below? 8,14,22,32 ,44, 58, 74...

A researcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. Two weeks after the focus group, the researcher learns one

Q&A Education