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

What is the five part definition for an object to be considered a mineral

When you're working with a word processing document and you press the DEL Key what happens

HELP W/ ACT PREP QUESTION PLEASE I NEED TO DO WELL AND NEED YOUR HELP!!: At a school picnic, 1 junior and 1 senior will be selected to lead the activities. If t

is 0.02468 greater than 0.024

What is Newtons second law of motion?

how to write 2000 using exponents

In the first year of ownership, a new car can lose 20% of its value. If a car lost $4200 of value in the first year, how much did the car originally cost?

What is an author s purpose in writing a biography? A. to tell about his or her own life B. to tell about his or her subject s life C. to tell about life at

How do you round 3,962 to the nearest hundred

Henry Kissinger was ______. Johnson's secretary of defense Nixon's national security advisor born in Yorba Linda, California Richard Nixon's vice president