Question 950807
How do I answer mixed questions with numbers and variables.
Exp: -13 -5 +12x.  Or  -5t + -6 + 7t.
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Those are not questions.
-13 -5 +12x
That can be simplified
= -18 + 12x or 12x - 18
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-5t + -6 + 7t
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Combine the 2 terms with t.