prettysaeed15 prettysaeed15
  • 01-03-2020
  • Mathematics
contestada

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

Respuesta :

Ankitrraj707
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

20% of my money is £2.55 What is 2/5 of it?
What are three interesting facts about Susan B. Anthony's childhood ?
How is carbon dioxide obtained?
In the library there are 200 books. 58 of them are non-fiction. What percentage of the books are non-fiction?
If you multiply a number by five and then subtract negative ten, the difference is negative thirty. What is the number?
which of the following suffered most from DDT poisoning in the great lakes region
What is the main idea of Truman's statement about the use of atomic weapons
A box contains bags of crisps. Each bag of crisps weighs 25 grams. Altogether, the bags of crisps inside the box weigh 1 kilogram. How many bags of crisps are i
what is the answer to this question -√(12)+5√(75)
would you rather be a senator or a representative member? why or why not?