prettysaeed15 prettysaeed15

01-03-2020
Mathematics

contestada

Solve the following system by substitution
(2x+3y=5
(5x - 4y=2

Respuesta :

Ankitrraj707 Ankitrraj707

01-03-2020

Answer:

2x+3y=5____(i)

5x - 4y=2____(ii)

3y=5-2x

Y=5-2x/3

Now, putting the value of Y in ii,

5x - (5-2x/3)4=2

15x-20+8x=6

23x=20

X=20/23

Y=75/69

Answer Link

Otras preguntas

Describe the route taken by blood from the intestine to the kidney

A triangle has an area of 288.6 square kilometers and a height of 26 kilometers. What is the length of the base?

Ultraviolet and infrared radiations are members of the electromagnetic spectrum what are the two properties that makes them different???

(x-y)(x+5y) find the product

How much potential energy does a 10-N baseball gain when it is lifted 10 m? 1,000 J 100 J 20 J 200 J

What is 6,400 in scientific notation?

Which is a solution to the equation? (x −2)(x + 5) = 18

Which of these were attempts made by President Hoover to eliminate the problems created by the Great Depression?

DeShawn won 95 pieces of gum playing hoops at the county fair. At school he gave four to every student in his math class. If there are 22 students in his class,

The First Continental Congress sent a petition to King George. What did it proclaim?