A few days ago
3rd grade math problem 8= ? – 9. what is the correct answer?
3rd grade math problem 8= ? – 9. what is the correct answer?
Top 5 Answers
A few days ago
Favorite Answer
Okay, 8=?-9…. is not the same as 9-?=8
Ex. 3-2=1, 1 doesn’t = 2-3, 2-3=-1
In order for the commutative property of addtion to occur, you have to turn all subtraction signs into plus.
ex. 9-2= 9+(-2)
So, to your question,
8=x-9
+9 +9
17=x
So, your answer is 17.
Hope I explained it all right and the answer is correct, rather like the others who just answered.
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A few days ago
17
0
A few days ago
? =17
1
A few days ago
move the ? to the left side of the equal sign, move the 8 to the right, then you change the minus sign to a plus sign.
?=8+9
?=17
Then test to make sure.
8=17-9
There ya go…
0
A few days ago
I wish my college Calculus class was that easy. Oh well, at least you will still be alive in over 40 years while I will be dust in the Earth.
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