karirivera1503 karirivera1503
  • 01-06-2020
  • Mathematics
contestada

complete the solution of the equation. find the value of y when x equals 4 -3x +9y = -57

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 01-06-2020

Answer:

y = -5

Step-by-step explanation:

-3x +9y = -57

Let x = 4

-3*4 +9y = -57

-12 +9y = -57

Add 12 to each side

-12+12 +9y = -57+12

9y = -45

Divide each side by 9

9y/9 = -45/9

y = -5

Answer Link

Otras preguntas

What are the values of a, b, and c in the quadratic equation 0=1/2x^2-3x-2 ?
REALLY NEED HELP WITH THIS. THANKS!
Are housing prices out of control?
Neural pathways not associated with a child's native language start to disappear by what age? A. 16 months B. 3 years C. 1 year D. 2 years
How did the development of a personal computer impact society? technology became less affordable for private citizens many people were not interested in this ne
Which of the following statements is not a description of Mars? Has a reddish color Has a thin atmosphere One of the rocky planets Has no moons
Julio: No importa. mi propia llave también.
is a proportion can I get help please
A can of tuna has a diameter of 4 inches and a height of 3 inches. What is the volume of the can of tuna? (Use 3.14 for π.) 56.52 in.3 150.72 in.3 113.04 in.3
Someone please help me with this question.