ciobotaionutmarian ciobotaionutmarian
  • 01-05-2020
  • Mathematics
contestada

{3x=7y=5
{5x-2y=-19

Respuesta :

mysticchacha
mysticchacha mysticchacha
  • 02-05-2020

Answer:

(-3, 2)

Step-by-step explanation:

{3x=7y=5

{5x-2y=-19

solve....

maybe it was  3x + 7y = 5

and  5x - 2y = -19

2*(3x + 7y = 5)

7*(5x - 2y = -19)

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

6x + 14y = 10

35x -14y = -133

41x = -123

x = -3

y = ...

5*(-3) - 2y = -19

-15 - 2y = -19

2y = 4

y = 2

(-3, 2)

Answer Link

Otras preguntas

Which state official defends the state in a lawsuit?
The renaissance in Western Europe was a period marked by
A person is walking 3 miles per hour. What is their rate in feet per second?
Can someone please help me convert the DNA sequence GGG-AGG-AAA-CCC into mRNA?
Which of the following situations is most likely to result in language divergence? A. Two different languages that are spoken in the same geographic area combin
What does the purpose of the refrain in the raven
Dynasty founded by a general who took the name wendi
The expression 2(3x-4)+2(2x+4) represents the perimeter of the rectangle. Which expression is equivalent to the perimeter? Show your work
Solve the equation by factoring. (Enter your answers as a comma-separated list. Let k be any integer. Round terms to three decimal places where appropriate. If
Mario is heavily addicted to smoking but wants to quit. What can he use to reduce the painful effects of withdrawal? a: nicotine gum b: smokeless tobacco c: pa