How do I solve -5-(11-(13+5))

label Algebra
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I keep trying to solve this problem but I keep getting it wrong, I want to see a step by step process. It would be a great help.

May 15th, 2015

Rule1: Always start with the inner most bracket first


 -5-(11-(13+5))

13+5 = 18 so put 18 instead of that in the expression

 -5-(11-18)

Now the innermost bracket is (11-18)

-5-(11-18)

Now we calculate 11-18, which is equal to -7 hence we put -7 instead of that,

-5-(-7)


here is the important part which most people miss. When we subtract a negative value from a number its the same as adding the positive value. 
we are subtracting -7(the negative value) which is the same as adding the positive value to it. Hence we can get to the below expression

-5+7

Now -5 + 7 is equal to +2 hence the answer is +2

 -5-(11-(13+5))= +2







May 15th, 2015

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May 15th, 2015
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May 15th, 2015
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