0
What is 10 plus 9 plus 1 minus 1 plus 2 minus 2 plus 3 minus 1 plus 4 minus 4?
Wiki User
∙ 6y ago
(10+9)+(1−1)+(2−2)+(3−1)+(4−4) = 21
This is the same equation rewritten: (10+9)+(3−1) = 21
This can be done as 1-1, 2-2, 4-4 cancel themselves out.
Wiki User
∙ 6y ago
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What number best completes the sequence 2 9 5 13 10 19 17?
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What is 2 minus 2 over 5 plus 1 over 2 minus 4 equal?
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1
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How do you subtract fractions with a negative fraction?
if the question u are asking is something like this 1/2 - ( - 1/2 ) then the answer is simple all you have to do is solve the equation like this 1/2 - ( - 1/2 ) = 1/2 + 1/2 = 2/2 = 1 its the - (-1/2) that is important remember the rule minus and minus equal plus plus and plus equal plus minus and plus equal minus remember and i hope it helps :)
