My teacher said i did these wrong can anyone explain how to properly solve these questions for me? it says i have to evaluate the expression i thought it was correct but now im confused 2. 5 |-4 + 3| = 15 3. -2 + 3 |-4| = -3 4. | -2 + -4| ----------- = 0 6 5. 3| -2+-6| + -3 = -8

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My teacher said i did these wrong can anyone explain how to properly solve these questions for me? it says i have to evaluate the expression i thought it was correct but now im confused 2. 5 |-4 + 3| = 15 3. -2 + 3 |-4| = -3 4. | -2 + -4| ----------- = 0 6 5. 3| -2+-6| + -3 = -8

Mathematics
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you have to get the absolute value sign alone first.
|dw:1359567381118:dw|
so for number 2 divide 5 to both sides.

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@Markitos , r u getting vat is done
|dw:1359567550593:dw|
@Markitos , solve the second part, and do take care of one thing that the expression which is in |dw:1359567749335:dw| sign becomes +ve when it is negative. this sign is called mod which converts -ve sign into +ve
|dw:1359568063833:dw|
and how does the -1 become a positive one?
because it is in mod sign , as i have already told that the expreesion in this mod sign becomes always +ve , if it is -ve
ok
what about the last part 5= 15
or is it 5 | | 15
as LHS is not equal to the RHS So |dw:1359568254047:dw|
and where does the 11 come from
how would i type that in word
no there is no 11, when LHS is not equal to RHS, then we put equal sign but we place a cross sign on that first write equal sign
|dw:1359568380656:dw| like this
then draw a line which cuts it like this|dw:1359568409476:dw|
ok
got it
now is am i finished with this one
yup
k.. do the second part, so that i should leave
what do i need to do for the second part
solve it
how
im very bad at math can you explain to me how to
i get the first part of what u said
-2 + 3 |-4| = -3 -2 + 3 (4) = -3 -2 +12 = -3
|dw:1359568963469:dw|
hope u understand and try the next parts also.
ok i get that
so if the number in the bracket is negative then it becomes positive and you put parenthesis around correct
and how did you get the nine and 3
i just put the bracket to see the difference, it doesnot matter either u put bracket or not.
-2+12=9
i m leaving now, if any problem , then ask me later on
ok and for this 2 + 3 (4) how did you get the 12
ok
|dw:1359576231730:dw|order of operation, you must multiply first then add

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