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by raj_patel
Sat Oct 01, 2011 9:06 pm
Forum: Pre-Algebra
Topic: equations: 8x-12=84 ?
Replies: 3
Views: 2689

Re: equations: 8x-12=84 ?

You just need to isolate x; remember to move the variables on one side and the numbers with no coefficients on the other.
by raj_patel
Thu Jul 07, 2011 4:01 pm
Forum: Pre-Algebra
Topic: what is 8r+40-5(3r+7) ?
Replies: 3
Views: 4496

Re: what is 8r+40-5(3r+7) ?

You must first know whether you are simplifying the expression or solving for a numeric value. In either case, combining like terms is necessary.

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