Joshua10687
Joshua10687 Joshua10687
  • 23-02-2019
  • Mathematics
contestada

Please help me


3x - 12y = 60

x + 2y = 14

will mark brainliest

Respuesta :

Diamori
Diamori Diamori
  • 23-02-2019

Answer:

x = 8, y = 3

Step-by-step explanation:

3x - 12y = 60

x + 2y = 14

3x - 12y = 60

3x + 6y = 42 (multiply by 3 so the x is the same as the top equation)

6y = 18 (subtract the equations)

y = 18 / 6

= 3

To find x, substitute y into the 2nd equation since it is the simplest so:

x + 2(3) = 14

x + 6 = 14

x = 14 - 6

= 8

Answer Link

Otras preguntas

Arthropods, like spiders and lobster, don't have blood like mammals do; instead, they have _____. a. hemoglobin b. hematoma c. lymph d. hemolymph
3:008 3.825 3.09 3.18 greatest to least
How can I make my school better
What is the reduced fraction form of 225%
explain how you can tell 7/10 is greater than 1/2 without using a model?
How do I find the percent of change? Help meh pls
q-12=89 what is the value of q
The development of an atomic bomb by the Soviets in 1949 did all of the following except pave the way for a nuclear arms race between the U.S. and Soviet Union.
solve expression using PEMDAS and Distribution 3 (x+5)
saundra ran 7 of 12 of a mile. Lamar ran 3of 4 of a mile . who tan farther ?explain.