SOLUTION: Ok so I don't know how to justify my answer. So the problem is 4n+8+7=25 so I worked it out and got 5/2 but how do i explain what I did in words ?

Question 985110: Ok so I don't know how to justify my answer. So the problem is 4n+8+7=25 so I worked it out and got 5/2 but how do i explain what I did in words ?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
the given equation

One would imagine, if you took the steps this far, even to the end, you know what and why you did what you did. You want to give a formal justification for each step. Refer to the properties of real numbers which you are studying: Addition Property of Quality, Additive Inverses, Multiplication Property, Multiplicative Inverse, Commutative Property for Addition.
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