Answer
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Hint: Here we are asked to find the difference between one positive number and the negative number. First of all open the bracket and then simplify for the resultant value.
Complete step-by-step answer:
Always remember that when we expand the brackets or open the brackets, sign outside the bracket is most important. If there is a positive sign outside the bracket then the values inside the bracket does not change and if there is a negative sign outside the bracket then all the terms inside the bracket changes. Positive terms change to negative and negative term changes to positive
Take the given expression –
$ \Rightarrow 23 - ( - 12) $
Open the bracket. Always remember that if there is a negative sign outside the bracket then the sign of the term inside the bracket also changes. Negative term changes to positive and vice-versa.
$ = 23 + 12 $
Do addition for the resultant answer.
$ = 35 $
Hence, $ 23 - ( - 12) = 35 $
So, the correct answer is “35”.
Note: While doing simplification remember the golden rules-
I.Addition of two positive terms gives the positive term
II.Addition of one negative and positive term, you have to do subtraction and give sign of bigger numbers whether positive or negative.
III.Addition of two negative numbers gives a negative number but in actual you have to add both the numbers and give a negative sign to the resultant answer.
Complete step-by-step answer:
Always remember that when we expand the brackets or open the brackets, sign outside the bracket is most important. If there is a positive sign outside the bracket then the values inside the bracket does not change and if there is a negative sign outside the bracket then all the terms inside the bracket changes. Positive terms change to negative and negative term changes to positive
Take the given expression –
$ \Rightarrow 23 - ( - 12) $
Open the bracket. Always remember that if there is a negative sign outside the bracket then the sign of the term inside the bracket also changes. Negative term changes to positive and vice-versa.
$ = 23 + 12 $
Do addition for the resultant answer.
$ = 35 $
Hence, $ 23 - ( - 12) = 35 $
So, the correct answer is “35”.
Note: While doing simplification remember the golden rules-
I.Addition of two positive terms gives the positive term
II.Addition of one negative and positive term, you have to do subtraction and give sign of bigger numbers whether positive or negative.
III.Addition of two negative numbers gives a negative number but in actual you have to add both the numbers and give a negative sign to the resultant answer.
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