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Pretty Easy Math Problems!?
Simplify:
6-(2-5)
The answer I got was 6--3
My friend said that's wrong it's 6(-2+5)
Please help..and thanks!
OKAY Thanks guys!
Now, Please simplify 2(5-3)-7
12 Answers
- MamaMia ©Lv 71 decade ago
Doesn't matter - comes out to the same number
Your answer is correct in that it handles the part in parentheses first.
6 - -3 = 6 + 3 = 9
6 - 2 + 5 = 4 + 5 = 9
- 1 decade ago
You are right. Remember Order of operations:
Brackets
Exponents
Division
Multiplication
Addition
Subtraction
So...
6-(2-5)
6-(-3)
*double negative means subtraction because you are subtracting a negative number.
6+3
9
** why does subtracting make it addition?**
Think of a line diagram.
________________________
0 1 2 3 4 5 6 7 8 9 10 11
Now subtraction means go the opposite direction
so go to 6
_________X____________
0 1 2 3 4 5 6 7 8 9 10 11
Now go the opposite of -3
__________----->9______
0 1 2 3 4 5 6 7 8 9 10 11
Hope this helps a little
- 1 decade ago
Simply, do everything in the bracket first. So, 2-5= -3. You are left with 6--3=9.
Or you can multiply the minus sign by everything in the bracket. So you will get 6-2+5=9.
By the way, your friend is wrong, not you. =)
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- Mrs. WicherLv 51 decade ago
Since 2-5 is in parentheses, you do that first.
6-(-3)
Subtracting a negative means you add the numbers, so the answer is 9.
- Anonymous1 decade ago
6-(2-5) = 6 -2 - (-5) = 6 -2 +5 = 9
simplify
2(5-3)-7 = 2(2) -7 = 4 -7 = -3
- 1 decade ago
6-(2-5)
First step is to do what's in the parantheses.
2-5=-3
Then you'd have 6--3, like you said.
This means it's 6+3 or 9.
- Anonymous1 decade ago
The answers 8