valevilchez valevilchez
  • 14-12-2019
  • Mathematics
contestada

What is the value of y in the following system?
y = 3x - 5
6x + 3y = 15
What’s the answer

Respuesta :

Yang100
Yang100 Yang100
  • 14-12-2019

Answer:

x=2, y=1. (2, 1).

Step-by-step explanation:

y=3x-5

6x+3y=15

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

6x+3(3x-5)=15

6x+9x-15=15

15x-15=15

15x=15+15

15x=30

x=30/15

x=2

y=3(2)-5=6-5=1

Answer Link

Otras preguntas

Which of the following is not considered to be an ethnic group? a. African-American c. Jewish b. German d. Mongoloid
Which is not an accurate definition for history? A. the story of how the world has changed and how it has not changed much at all B. a narrative anchored in chr
a race car travels 1,212 kilometers in 4 hours. what is the car's rate of speed?
Jordans have a rectangular garden. want to build a diagonal pathway across he garden. the length of pathway is 90 ft. width of garden is 5 times more than 2
How do u solve y=-8x 2x+4y=0
solve to three significant digits 123= 500e ^ -0.12x
solve. (2x+3/12)=2x/8
What is 15%off of $3.00
I don't know how to graph this inequality y<-3x
find the x intercept of f(x) = (7x + 7)/(x^2+5)