Two Numbers with a Sum of 1,656 and a Difference of 240

Define variables:
Let x = larger number and y = smaller number
Resulting system of equations:
x + y = Sum
x − y = Difference
Solve the system of equations for x (larger number):
x =  

Sum + Difference/2

Find x by substituting given Sum and Difference into equation for x and simplify:
x =  
x =  
x =  948
Solve the system of equations for y (smaller number):
y =  

Sum − Difference/2

Find y by substituting given Sum and Difference into equation for y and simplify:
y =  
y =  
y =  708
Therefore, the two Numbers are 948 and 708
Check Sum of the two Numbers:

	1		1
		9	4	8
		7	0	8
	1	6	5	6

948 + 708 = 1,656 ✓
Check Difference between the two Numbers:

	9	4	8
−	7	0	8
	2	4	0

948 − 708 = 240 ✓