kiyonica kiyonica

12-02-2016
Mathematics

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What is the value of x in the equation x – y = 30, when y = 15?

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RoodWoos RoodWoos

12-02-2016

x-y=30, when y=15
Replace y by 15: x-(15)=30
x-15=30
Recollect terms: x=30+15
x=45
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