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
TUTOR 5.0 (1,375)
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
