mommie247 mommie247
  • 22-10-2018
  • Mathematics
contestada

The sum of two numbers is 15. The difference of he same two numbers is 3. What are the two numbers?

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 22-10-2018

x+y =15

x-y = 3

add the two equations

2x = 18

divide by 2

x = 9

x + y = 15

9 + y =15

subtract 9

y = 9

The two numbers are 6 and 9

Answer Link

Otras preguntas

627,434,500 in word form
Hydrochloric acid (12.0 ml of 0.233 m) is added to 296.0 ml of 0.0579 m ba(oh)2 solution. what is the concentration of the excess h+ or oh − ions left in this s
What rights did Thomas Jefferson say every American is entitled to in the Declaration of Independence?
choose a state that wavered about supporting the north or the south. Summarize the sequence of events that led this state to final decision
Tay sachs disease is caused by a frameshift mutation on chromosome 15. a person with tay-sachs lacks the enzyme hexosaminidase a. this enzyme is needed to break
PLEASE SELECT FROM A OR B ONLY!!!!1 Why was regionalism a political problem for Latin America? A. It made it difficult to establish unity and a central governme
The topography of the Midwest is relatively _____.
Could someone please explain this to me?
A polynomial P(x) and a divisor d(x) are given. Use long division to find a quotient Q(x) and the remainder R(x). Express P(x) in the form P(x)=d(x)*Q(x)+R(x).
Identify the sentence type for each sentence. We visited the shelter where many animals are waiting for homes. Is this sentence Compound, Complex or Compound-C