tobymax0325 tobymax0325
  • 02-02-2020
  • Mathematics
contestada

Solve the following system of equations: {2x−y=3 7x−2y=3

Respuesta :

Аноним Аноним
  • 02-02-2020

Step-by-step explanation:

hope its helpful.........

Ver imagen Аноним
Answer Link
josshyaby
josshyaby josshyaby
  • 02-02-2020

Answer:

Step-by-step explanation:

2x−y=3..........(1)

7x−2y=3........(2)

Making y as subject in equation (1)

y = 2x - 3

Substituting y into (2)

7x - 2(2x - 3) = 3

Opening bracket

7x - 4x - 6 = 3

3x = 3 + 6

3x = 9

x = 9/3

x = 3

And y = 2x - 3

y = 2(3) - 3

y = 6 - 3

y = 3

Answer Link

Otras preguntas

Which action would most likely increase the amount of carbon in the environment? A. cutting down most of the trees in a forest to make furniture B. using energy
0.1 10 times as much as
For every $5 Micah saves,his parents give him $10 What's the constant proportionality
Who wrote a history of the war between Athens and Sparta? A. Thucydides B. Sophocles C. Herodotus D. Euripides
Four times a number, subtracted from sixteen, is twice the number, find the number
Which sentence does not contain any punctuation errors? A. "My brother knows all the dance moves to 'I'm a Little Teapot," declared Monica. B. "'I'm a Little Te
White blood cell carried in the lymphatic system is what?
how can rich soil and a mild climate benrfit the economy of a region
a chemical formula is an expression used to represent what?
What is the furthest destination that American silver was known to travel during 16th and 17th centuries?