Find the value of two numbersif their sum is 12 and their difference is 4
2 answers:
The simple version is this
12-4= 8
We can set up a system of equations:
x + y = 12
x - y = 4
Adding these two together:
2x = 16
x = 8
Substituting 8 in the first equation:
8 + y = 12
y = 4
Hope this helps!
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