SOLUTION: find the value of two numbers if their sum is 12 and their difference is 4

SOLUTION: find the value of two numbers if their sum is 12 and their difference is 4

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Question 923083: find the value of two numbers if their sum is 12 and their difference is 4
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

let's two numbers be and
if their sum is , we have
....eq.1
and their difference is
....eq.2
solve the system:
....eq.1
....eq.2
_____________________add both

go to ....eq.1 plug in

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