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September 5, 2015

Homework Help: math

Posted by Samantha on Thursday, January 16, 2014 at 5:12pm.

Solve the linear equation: x+x+2+x+4+x+6=-28. State the property that justifies your first step and why you chose it.
When I solved the equation I got the answer of
=-10. However, I do not know what the property I need to state for my first step. Isn't it subtraction property of equality?
please help!!

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