blodreina7585 blodreina7585

23-02-2021
Mathematics

contestada

The difference of two numbers is 3. Their sum is 13. Write a pair of simultaneous equations in x and y to represent this information.

Respuesta :

zeeman25 zeeman25

23-02-2021

Answer:

x-y=3

x+y=13

2x=16

x=16/2

x=8

x+y=13

8+y=13

y=13-8

y=5

Answer Link

quyenthao111 quyenthao111

23-02-2021

Answer:

x + y = 13

x - 3 = y

or

x + y = 13

y - 3 = x

Answer Link

Otras preguntas

a number increased by 8 gives the same result as a number multiplied by 8. whay is that number?

what is the sum of the first 30 odd numbers? How to calculate it without having to add all of them.

Which of the following equations is of a parabola with a vertex at (0, -3)? y = (x - 3)^2 y = (x + 3)^2 y = x^2 - 3 y = x^2 + 3

What is the equation of the line that passes through the points (-2,2) and (0,5)?

Find 3 consecutive numbers where the product of the smaller two numbers in 19 less than the square of the largest number?

Why did the Spanish explore the New World in the early 1500s?

what is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 48 degrees?

Write an equation for the line representing each of the following situations.A driving range charges $10 per bucket of golf balls.Car rental agency charges $100

Do you agree with the statement: it's better to prevent then treat. Give some reasons for your opinion.

A two digit number is 4 times the sum of its digits and twice the product of its digit.FIND THE NUMBER