Ahemingway7615 Ahemingway7615

15-08-2017
Mathematics

contestada

If 21 is added to a number, the result is 37 less than twice the number. find the number?

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alybsinger alybsinger

15-08-2017

Let's give "the number" a variable like x. Now break the problem apart. First 21 is added to x.

X+21

The result is 37 less ( -37) than twice (2x)

2x-37

So by putting them together we'll have the equation

X+21=2x-37
X=58

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