nessab nessab
  • 02-05-2020
  • Mathematics
contestada

WILL GIVE BRAINLIEST. If x+y=3 and 3x+5y=13, then x-y is equal to?

Respuesta :

TheNoobXD
TheNoobXD TheNoobXD
  • 02-05-2020

Answer:

(1,2)

y=2

x=1

Step-by-step explanation:

x+y=3

3x+5y=13

solve the equation

x=3-y

3x+5y=13

substitute the value of x into an equation

3(3-y)+5y=13

distribute

9-3y+5y=13

add -3y to 5y

9+2y=13

subtract 9 from both sides

2y=4

divide both sides by 2

y=2

substitute the value of y into an equation

x=3-2

subtract 3 to 2

x=1

--------

(1,2)

--------

Answer Link

Otras preguntas

The cause of the sun rising and setting in the sky is the earths rotation . What is the affect
THE FULL MOON TURNED ORANGE AND THEN GOT REALLY DARK WHAT COULD HAVE MADE IT TURN DARK LIKE THAT
ted is making three picture frames like the one shown below.what length wood does ted need for all three picture frames?
what is 3\13 times 143 equal
Which describes the significance of Athens's victory in the Persian Wars? A. Athenians gained new confidence in their own abilities, which led to a golden
13. (1 pt) Who was Hiram Bingham? A. a Harvard-trained archaeologist who first explored the Maya ruins at Tikal B. a Yale-trained explorer who first discover
represent the number 1.16 using base ten blocks
A grain storage bin has the following dimensions, 11 feet high, 28 feet long and 12 feet wide. The volume of 1 bushel is 2200 cubic inches or 1.273 cubic fee
PLEASE CHECK MY ANSWERS (PART 2)
what is the formula for a cylinder and a circle?