riesfam07 riesfam07

17-01-2020
Mathematics

contestada

Use substitution to solve each system of equations
X=y-2
4x+y=2

Respuesta :

josshyaby josshyaby

17-01-2020

Answer:

Step-by-step explanation:

x = y - 2.........(1)

4x + y = 2......(2)

Substituting x in (1) in (2)

4(y - 2) + y = 2

4y - 8 + y = 2

5y = 2 + 8

5y = 10

y = 10/5

y = 2

Putting x in (1)

x = y - 2

x = 2 - 2

x = 0

Answer Link

Otras preguntas

Solution for 3/8 + 16/24 =

An expense is entered as a _____ in a financial ledger. a. balance b. credit c. debit d. savings

Anthony, who has read thousands of books, gave a thorough presentation on the history of various genres. What is the adjective clause in this sentence?

Which of the following describes stage directions? a. explanations about how the actors sound and behave b. the meaning behind events and characters’ actions

Solve the equation by completing the square.Round to the nearest hundredth if necessary. X^2–x–7=0 a. 2.6, 2.69 b. –6.75,7.75 c. 3.19, –2.19 d. 3.05, –2.05

Which equation is the inverse of y = 7x2 – 10?

Which complex number has a distance of √17 from the origin on the complex plane? a. 2 + 15i b. 17 + i c. 20 - 3i d. 4 - i

is 3000 an even number

A line has a slope of 3 and contains the point (−1, −8). Which equations represent the line? Choose all answers that are correct. a. −3x + y = −5 b. 3x + y =

5. A druggist is preparing a medication. Each capsule requires 0.007 gram of aspirin. He has 14 grams of aspirin. How many capsules can he prepare? A. 5