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Find the value of two numbers if their sum is 120 and their difference is 40.
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Find the value of two numbers if their sum is 120 and their difference is 40.

User Wazz
by
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1 Answer

4 votes
x+y=120
x-y=40
x=40+y
40+y+y=120
2y=80
y=40
x=80
User Lobstah
by
5.0k points
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