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Q: Simplify -12x + 5x
A: -12x + 5x = -7x
Question
Updated 8/13/2015 1:10:36 PM
Rating
3
-12x + 5x = -7x
Confirmed by jeifunk [8/13/2015 1:11:59 PM]

Questions asked by the same visitor
Solve each equation. 5x2 - 55 = 90
Question
Updated 8/1/2014 10:34:36 AM
5x^2 - 55 = 90
5x^2 = 145
x^2 = 29
x = 5.38
This answer has been flagged as incorrect.
Flagged by andrewpallarca [8/1/2014 10:34:26 AM]
5x^2 - 55 = 90;
5x^2 - 55 - 90 = 0;
5x^2 - 145 = 0;
5(x^2 - 29) = 0
x = - (sqrt 29) or x = sqrt 29
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