Name the property that justifies each statement  TOPIC_SOLVED

Simple patterns, variables, the order of operations, simplification, evaluation, linear equations and graphs, etc.

Name the property that justifies each statement

Postby jhanagriff on Fri Jan 21, 2011 3:10 am

Name the property that justifies each statement. All variables represent real numbers

(-2.6) + 7 = 7 + (-2.6)

I'm taking a intermediate algebra class online for the second time. first time I didn't do so well. :( I didn't have algebra in HS and need help.
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Re: Name the property that justifies each statement  TOPIC_SOLVED

Postby snowdrifter on Fri Jan 21, 2011 3:31 am

I assume this question is part of a larger assignment because your question doesn't have variables. Variables would be letters like x, y etc.

The properties of numbers are explained here.
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Re: Name the property that justifies each statement

Postby jhanagriff on Fri Jan 21, 2011 3:33 am

nope thats what my page says...
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Re: Name the property that justifies each statement

Postby slbryson on Sat Jan 22, 2011 3:10 am

The answer is Commutative Property. It means you can add any two real numbers and the order in which we add the numbers does not affect the sum.
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