moneybaga8960 moneybaga8960

02-12-2019
Mathematics

contestada

solve the systems of equations using elimination
3x-5y=-2
4x-7y=-3
a.(-1,-1)
b.( -7/3, -1)
c. (-7/3, 1)
d.(1, 1)

Respuesta :

Yang100 Yang100

02-12-2019

Answer:

x=1, y=1. (1, 1). The answer is D).

Step-by-step explanation:

3x-5y=-2

4x-7y=-3

--------------

4(3x-5y)=4(-2)

-3(4x-7y)=-3(-3)

------------------------

12x-20y=-8

-12x+21y=9

--------------------

y=1

3x-5(1)=-2

3x-5=-2

3x=-2+5

3x=3

x=3/3

x=1

Answer Link

Otras preguntas

Estimate the perimeter of the figure

A patient with an acute ischemic stroke is admitted to the emergency department. The nurse is teaching a student nurse about potential medications the patient m

What best describes the Stamp Act of 1765? a tax on income earned by farmers a tax on every piece of printed paper a tax on imported luxury items a tax on all f

b) f(x) = (10 - 3x)(4 - 5x)

Which of these choices is a risk of linear economy

School districts in which states were among the first to integrate schools following the Brown v. Board of Education decision? A. Delaware, Maryland, Missouri B

Solve for h 35=1/2h (5+2)

What are the factors that will help you tell that a country is a developing nation?

"Barclay is getting ready for a date with someone new. Before he leaves his apartment, he decides to smoke some marijuana, which he believes helps him to be mor

4. Who is said to have “sovereignty” over a free market? a. government b. consumers c. entrepreneurs d. businesses