wuandy366 wuandy366
  • 02-07-2020
  • Mathematics
contestada

if 3x+2y=72 and y=3x, then x whoever solve I give them all my points

Respuesta :

Wishing Wishing
  • 02-07-2020

Answer:

[tex]x=8[/tex]

[tex]y=24[/tex]

Step-by-step explanation:

3x+2y=72

If y=3x, we plug it into our equation and get:

3x+2×3x=72

3x+6x=72

9x=72

Divide both sides by 9

x=8

Answer Link
09pqr4sT
09pqr4sT 09pqr4sT
  • 02-07-2020

Answer:

x = 8

Step-by-step explanation:

3x + 2y = 72

Put y as (3x), and solve for x.

3x + 2(3x) = 72

Multiply 2(3x).

3x + 6x = 72

Add like terms 3x and 6x.

9x = 72

Divide 9 into both sides and isolate x.

x = 72/9

x = 8

The value of x is 8.

Answer Link

Otras preguntas

Can someone help me out?
The sum of two numbers is 70. One number is 8 more than the other. What’s the smaller number?
Carmen likes to make her own trail mix. Her recipe calls for 8 cups of peanuts and 2 cups of chocalate chips. She discovers that she only has 4 cups of peanuts
the people who have inhabited Central America the longest are the A Spaniards B Europeans C Indians D Africans​
Write an expression, using an exponent, that is equivalent to 9\times 9\times 9\times 9\times 9\times 9\times 99×9×9×9×9×9×9
Create the electron configuration of Fluorine, atomic number 9.
I need a summary of Paul Revere life. Pleaseeeee
Please help me ASAP!!!
How are neutron starts formed ?
Which choice provides the best definition of "inference"? logical conclusion information stated in a text the reader's opinion explicit details