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

this is a system of leaders who carry out the work of government: aristocracy bureaucracy democrac

Which of the following is an internal conflict in the story He? a the family had a hard time affording to buy clothes for everyone b the crops did not fare well

what is the number in scientific notation? 0.0765

rank the 4 regions of Texas from the wettest to driest

_____________ are visual methods of clarifying ideas and illustrating the message. a. Presentation aids b. Manipulative aids c. Interactive aids d. Multimedia a

he Chautauqua Circuit had its roots in _____. (A) a training institute for electrical workers (B) a camp for Sunday school teachers (C) a school for enterta

why do banks reward people for keeping money in a savings account?

-12x 4y=-4 what is the soluition

Select the graph of the solution. 3x + 1 < 7

the majority of people in russia live in the __________ region of the country. a. eastern b. northern c. southern d. western