# Math

posted by .

Please show me how to set and solve:

The sum of two numbers is 90. Their difference is 12. What are the numbers?

• Math -

x + (x-12) = 90
2x = 102
x = 51

the two numbers are 39 and 51

## Similar Questions

1. ### math,help

How do even solve this one sum of two numbers is 32. their difference is 6. what are the numbers?
2. ### Math

translate to an equation: and then solve The sum of two numbers is -4 and their difference is -10. Find the numbers.
3. ### Reiny! Reiny! Reiny! Answer Check and HW Help!

Translate to a system of equations and solve: 1) The sum of two numbers is 36. One number is 2 more than the other. Find the numbers. Answer: (17,19) 2) Find two numbers whose sum is 66 and whose difference is 18. Answer: (37,29) These …
4. ### math

the lcm of two numbers is 30 the difference between the 2 numbers is 5 and their sum is 25 what are the 2 numbers please help
5. ### algebra

Stacey throws two dice. The difference in face value between the two dice is three, and the product of the numbers thrown is equal to twice the sum of the two numbers. Show and solve an alebraic equation that finds the numbers Stacey …
6. ### Geometry

CounterExamples and Inductive Reasoning and Conjectures?
7. ### algebra

Solve by setting up the proper equation to describe the facts given and then carrying out the mathematical calculations to solve for the unknown variable(s). The difference between two numbers is 3, and the sum of those two numbers …
8. ### math

Sum of 8numbers is X,sum of a different set of nine numbers is 2x.average of smaller set of numbers is one more than average of the larger set of numbers.write an equation for X and solve it
9. ### math

Can anyone explain please,thank.the sum of 8numbers is x,and the sum of different set of nine numbers is 2x.the average of the smaller set of numbers is 1 more than the average of the larger set of numbers
10. ### mathematics-Algebra

I think of two whole numbers;the product of the average of the sum and difference of the numbers and the difference of the sum and difference of the numbers is 12.if three times the first added to the second makes up 11..find the two …

More Similar Questions