Lauren H. answered • 10/16/18
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Experienced High School Chemistry Teacher
x + y = 18, y = 18 - x
x - y = 8
Substitute:
x - 18 + x = 8
2x = 26
x = 13
y = 5
Sarah E.
asked • 10/16/18The sum of two number is eighteen and has a difference of eight
What 2 number equal 18 but have a difference of 8
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