The sum of two numbers is 46, and the difference between the numbers is 4. Find the numbers.
1 answer:
X+y = 46 so x = 46 - y
x-y = 4
substitute x = 46 - y into x-y = 4
x-y = 4
46 - y -y = 4
2y = 42
y = 21
x - y = 4
x - 21 = 4
x = 25
answer
the numbers are 21 and 25
double check
25 + 21 = 46
25 - 21 = 4
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