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If3x + 9 = 15, then x + 2 =

If 3x + 9 = 15, then x + 2 =
(A) 2
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Nova Press: Problem Solving Diagnostic Test

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Posted: 04/21/2012 22:16
I though you could only subtract
or add ?!? I did it differently and still got the answer...
Arcadia
Admin
 
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Posted: 04/24/2012 17:10
Hi Deisy, there are more than 1 way to do this. If you did it differently and still got it right, then congratulations.
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If3x + 9 = 15, then x + 2 = 
Posted: 01/26/2015 18:14
Need assistance
Arcadia
Admin
Reply 1 of 1
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Posted: 05/22/2015 13:59
Start with 3x + 9 = 15; divide both sides by 3, and you get: x + 3 = 5.

Subtract 1 from both sides, and you get:
x + 2 = 4.
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