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twice a number, decreased by 12 is eight. Find the number​

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Answer:

ALGEBRA 2

Teshawn J. asked • 08/19/15

Twice a number decreased by 8 is equal to the number increased by 10. Find the number

I don't understand how to problems like this

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Michael E. answered • 08/19/15

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Algebra 2 and Intermediate/College Algebra Tutor

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Hello Teshawn,

Not every problem can be directly translated like this one, but I will line everything up to see how it goes.

Let 'x' be the number for which we are looking.

(Twice a number) (decreased by) (8) (is equal to) (the number) (increased by) (10)

2x - 8 = x + 10.

So, we have:

2x - 8 = x +10

--> x = 18, by subtracting 'x' from both sides, and

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10 po ang sagot :)

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