YeshariG YeshariG

16-02-2017
Mathematics

contestada

The sum of two numbers is 51 and the difference is 15 . What are the numbers?

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sheheryar91 sheheryar91

16-02-2017

x+y=51
x-y=15
adding equation
2x=66
x=33
y=51-33
y=18

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