The property that allows 7 + 9 + 3 = 7 + 3 + 9 is called the Commutative Property of Addition and Multiplication. This means that as long as the sign is either a multiplication symbol or an addition symbol, we can move (or "commute") the values wherever we want and the expression will still equal the same amount.
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Answer: x = 36
Step-by-step explanation:
How are you going to ask a question and answer it yourself w t f
Answer:
-6
Step-by-step explanation:
Let the number be x.
2x + (x-5) = x - 17
2x + x - 5 = x - 17
3x - x = -17 + 5
2x = -12
: x = -12/2
x = -6