math
posted by Anonymous .
the sum of 2 different numbers is 42. the difference of the same 2 numbers is 12. find the 2 numbers.

M+N=42
MN=12
Add the equations
2M=54
solve for M, then go back into either equation solve for N
Respond to this Question
Similar Questions

Math riddle
nine odd numbers have a sum of 243.find the sum of the first and last numbers in a set of numbers. hint:if three numbers when added equals twelve then represent it by adding n+()n+1. 
Math riddle
nine odd numbers have a sum of 243.find the sum of the first and last numbers in a set of numbers. hint:if three numbers when added equals twelve then represent it by adding n+()n+1. no one cares...durrr.... 
math
I am thinking of 3 different whole numbers which have a product of 36. 5 more than the sum of the 3 numbers is a perfect square. what is the sum of my 3 numbers? 
math URGENT!!!!
i have a list of 5 different numbers. the sum of 2 of the numbers is 0. the sum of 2 of the numbers is 1. the sum of 2 of the numbers is 2. the sum of 2 of the numbers is 3. the sum of 2 of the numbers is 4.the sum of 2 of the numbers … 
Math
A Quadratic Word Problem. The difference between two positive numbers is 3. The sum of the squares of the numbers is 89. Find the numbers. 
math
three numbers are in the ratio 6:3:1, and the sum of these numbers is 420. If the first number is reduced by 50%, the second number is increased by 42, and the sum of the numbers remains the same, find the resulting ratio of the numbers. 
math
The sum of two numbers is 24. The difference of the numbers is 16. Find the numbers. This is what I have so far: x+y16=24 
mathematicsAlgebra
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 … 
math
Sum of 2 numbers =14 Difference of the numbers =40 Find the numbers. What is their difference? 
maths plse help me..
When the greater of the two numbers increased by 1 divides the sum of the numbers the result is3/2 .when the difference of these numbers is divide by the smaller ,the result is 1/2 .find the numbers