Seudónimo Seudónimo
  • 25-01-2021
  • Business
contestada

The sum of two number is 7 and their difference 1 need answer so hurry

Respuesta :

Samawati
Samawati Samawati
  • 26-01-2021

Answer:

3 & 4

Explanation:

Let the two number be 'a'  and ' b'.

a + b = 7

a - b = 1

Adding the two equations

2a = 6

a = 6/2

a = 3

Substituting 'a' in any equation

a + b = 7

3 + b = 7

b = 7-3

b =4

The two numbers are 3 and 4

Answer Link

Otras preguntas

Who is missing from the battle after the disagreement between Achilles and agamemnon? -The Greeks -Achilles -Hector -The Trojans
Identify the four spheres involved in the carbon cycle.
What is the equation of the line that passes through (1,3) and (-2,-3)?
Name the countries that made up the Allied Powers during World War 1.
Jonathan bennet should you rely on sympathy or morality more
what motivates people to move from their own country and become immigrants in a new one?
Which logarithmic graph can be used to approximate the value of y in the equation 4^y = 5? The graph of function f of x equals negative log base 4 of x The g
When must the process of replication in a cell be complete
A company wants to estimate the mean net weight of all 32-ounce packages of its yummy taste cookies at 95% confidence. it is known that the standard deviation o
Nadine mixes a juice solution that is made from 3 gallons of an 80% juice solution and 1 gallon of a 20% juice solution. What is the percent concentration of th