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Answers by Lois P.

2x+5-7x=15 (answer)

Great answer, Natalee. I would only add that you are combining steps in your answer, which confuses many of my students when they first begin this type of problem. The rule is you must keep the equation balanced, so the math your perform on one side of the = must also be done on the other...

How do I figure out what 2(-5) answer is (answer)

This question is asking what is 2 multiplied by negative 5.  The rules are as follows: A positive multiplied by a positive results in a positive number. A negative multiplied by a negative results in a negative number. A negative number multiplied by a positive number results in...