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

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

Which freedom did the attorney general of the United States violate during the Red Scare? A. freedom to vote B. freedom of speech C. freedom of religion D. free

Who is credited with writing an anonymous article about the Soviet expansion plans that was influential in the creation of the Truman Doctrine? Churchill Marsha

What split the Muslim World during the Middle Ages? PLEASE HELP ♥

the sum of 14 and a number is equal to 17.

how do you round 78.539 to the nearest hundredths

what is the vertex for the equation f(x)=3(x+4)^2-5

How can I say this in french? When I am older I want to work with technology because it is interesting. The advantages of working with technology are that it ca

The number of dogs in a pet store decreased from 35 to 31. What is the percent of decrease in the number of dogs? Round to the nearest percent. A. 11% B. 13

solve: y=-3x+5 5x-4y=-3

Which of these statements is NOT a characteristic of the cladistics system? It shows the "rank" of the organism. It shows the probable sequence of origins. It s