Ashleymackenzie2015 Ashleymackenzie2015

04-01-2016
Mathematics

contestada

How many solutions are there to the following system of equations?
5x 3y=7
2x-y=2

Respuesta :

Billymkhoi Billymkhoi

04-01-2016

5x + 3y = 7 (1)
2x - y = 2 (2)

Multiply (2) by 3:
6x - 3y = 6 (3)

Take (1) + (3):
(5x + 6x) + (3y-3y) = 7+6
⇒ 11x = 13
⇒ (11/11)*x= 13/11
⇒ x = 13/11.

y = 2*13/11 -2= 4/11

The final answer is x=13/11, y=4/11.

Answer Link

Otras preguntas

Please help! Reporting all irrelevant answers.. Thank you.

The slope of the line that represents the data Nicholas collected is -63, and the y-intercept is 825. Explain what these represent in the context of the situati

please can you answer this whole page please

Nicole made $187 for 11 hours of work. At the same rate, how many hours would she have to work to make $119?

What is being compared or contrasted in this excerpt?

What does the following line mean" My stomach was a melon split wide inside my skin"

Which questions are appropriate for a dichotomous key? Check all that apply. 1.does the animal have two legs? 2.is the animal eating? 3.what color is the fur? 4

Qué tiempo duro la primera entrevista por televisión?

will mark brainliest!! 7th grade math!!

heyy have a great day :)) <3