x + y = 12
x - y = 4
Add the 2 equations: 2x = 16 => x = 8
Substitute x into either equation to get y = 4
Derrick M.
asked • 04/18/18what is the value of 12 and their difference is 4
1. Find the value of two numbers if their sum is 12 and their difference is 4.
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