almightylijah almightylijah

28-09-2017
Mathematics

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Ten subtracted from seven times a number is 25 what is the number ?

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mysticaldogg mysticaldogg

29-09-2017

x represents the unknown number

7x-10=25
add 10 to both sides

7x=35
divide both sides by 7

x=5

The number is 5.

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