shanepowell123sp shanepowell123sp
  • 25-02-2019
  • Mathematics
contestada

5x+3y=28

2x+y=11

Solve algebraically

Respuesta :

goodperson21
goodperson21 goodperson21
  • 25-02-2019

Answer: x=5, y=1

Step-by-step explanation:

Note: (1) means equation 1 and so on

5x+3y=28 (1)

2x+y=11     (2)

(1)-(2)= 3x+2y=17 (3)

(3)-(2)= x+y=6 (4)

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

Insert (5) into (2)

2(5)+y=11

10+y=11

y=1

Answer Link

Otras preguntas

Compare and contrast your Sweet Sixteen experience with a Quinceañero birthday party.
A car manufacturer rolled out a new car priced at $10,000, but not many people bought it. In the context of supply and demand, how might the price of the car be
The mean of a list of 80 numbers is 230. If four numbers 145,156,210, and 255 are added, what is the mean of the list of numbers?
You think of screaming "EEE!" when walking past a cemetery in order to remember that cemetery is spelled with three e's. This is an example of a: A. rhythm mnem
what is the unit rate for 30 prints
X times X - 34 = 23 what is X
what the similarities between mid ocean ridge and trenches?
An inactive, middle-aged woman is about to become a grandparent and wants to follow her doctor's advice by becoming more physically active. He reminds her that
How does this relate to Manifest Destiny?
Which answer best describes the Loyalists’ view on representation? They felt they were overrepresented by the British Parliament as members of the British Empi