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27-04-2017
Mathematics

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Five times the difference of twice a number and eleven is negative twenty-five. Find the number.

Respuesta :

27-04-2017

Let x be the number.
The equation would be: 5 (2x - 11) = -25
Multiply 2x - 11 by 5 so that it is 10x - 55
Now, move the -55 to the other side of the equation so 10x = -25 + 55
Subtract so 10x = 30
Now divide 30 by 10 to find x.
x = 3

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