nayelisolisgarcia nayelisolisgarcia
  • 01-09-2017
  • Mathematics
contestada

The difference of two numbers is 40. Their sum is 66. Find the numbers.

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 01-09-2017
first of all, x>y
x-y=40
and
x+y=66
add them equations together to eliminate

x-y=40
x+y=66 +
2x+0y=106

2x=106
divide by 2
x=53

sub back
x-y=40
53-y=40
minus 53 both sides
-y=-13
y=13


the numbers are 53 and 13
Answer Link
bri226
bri226 bri226
  • 01-09-2017
53-13 equals 40 and 13+53 is 66
Answer Link

Otras preguntas

How does the cell theory describe the levels of organization of living organisms ??? Help plezz and I will be thank to u so much
A cube is measure 1 cm on each side and has a mass of 2 grams. Will it float on water?
What is the role of DNA helicase during DNA replication?
Which expression is equivalent to 16a + 24b ?
Two equations are shown: Equation 1: (x –12) =12 Equation 2: y – 12 = 12 Solve each equation
Divide. – 5.4 ÷ 0.9 = a. –6.0 b. –0.6 c. 0.6 d. 6.0
Which Biblical hero was the subject of this famous bronze statue by Florentine sculptor Donatello? a. Moses b. Solomon c. David d. Abraham
0.346 rounded to the nearest hundredth
Identify the correct sentence. a. Remember this​ date: Monday, march 4. b. My wedding date is in the Spring of 2012. c. I will be flying home on​ Friday, the Da
how much sleep dose a jaguar get in 1 year