February 21, 2017

Homework Help: math algebra

Posted by SO LOST on Sunday, February 20, 2011 at 10:48pm.

not sure about this can someone please help me
solve for x using the addition principle


Now I added 10 to both sides 10 + 10 that gives me 20
then I added -13 +10 = -3

my x is the 20 or did I mess this problem up all the way around?

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