ekayla02877
ekayla02877 ekayla02877
  • 04-04-2018
  • Mathematics
contestada

Uhhh this is so fustrating but someone please help

Uhhh this is so fustrating but someone please help class=

Respuesta :

demariaa01 demariaa01
  • 04-04-2018
x is 3 times the value of y, then x=3y;
y is 10 more than twice the value of X, then y= 10+2x.
{x=3y
{y=10+2x
Solve the system substituting the value of x in y:
{x=3y
{y=10+2(3y)

{x=3y
{y=10+6y

{x=3y
{y=-2

Now substitute the y to find x:

{x=3(-2)=-6
{y=-2
Answer Link

Otras preguntas

Need help drawing a picture to show 9/7
2x+5y=15 in slope intercept form
five times a number minus 12 is 92. what is  the number
Solve 24 over 17 = m over 34 What is "m"??
How do I solve 394 × n = 3.94
Which organic molecule is responsible for the insulation of internal organs against shock?
ammar hikes 23/4 miles of nature trail in 1 hour and 15 min .How many miles of trail does ammar hike per hour? pleas help me to understand this
The first and third digit of the five digit number h6h41 are the same. Given that the number is exacley divisible by 9, what is it sum of it's five digit number
Energy from hot magma is called ____.
last week a share of stock gained a total of 1.64 points. express this gain as a mixed number in simplest form.