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Which expression is equivalent to 
-51-(-60)?
Choose 1 answer:
(A) 
60+51
(B) 
-60+(-51)
(C) 
-51+60
(D) 
51-60

Which expression is equivalent to 51(60)? -51-(-60) ? \newlineChoose 11 answer:\newline(A) 60+51 60+51 \newline(B) 60+(51) -60+(-51) \newline(C) 51+60 -51+60 \newline(D) 5160 51-60

Full solution

Q. Which expression is equivalent to 51(60)? -51-(-60) ? \newlineChoose 11 answer:\newline(A) 60+51 60+51 \newline(B) 60+(51) -60+(-51) \newline(C) 51+60 -51+60 \newline(D) 5160 51-60
  1. Understand subtraction of negative numbers: Understand the operation of subtracting a negative number. Subtracting a negative number is the same as adding its positive counterpart. 51(60)-51 - (-60) is the same as 51+60-51 + 60.
  2. Perform addition of 51-51 and 6060: Perform the addition of 51-51 and 6060.51+60=9-51 + 60 = 9
  3. Match result with choices: Match the result with the given choices.\newlineThe result of the calculation is 99, which is a positive number. This means we are looking for an expression that results in a positive outcome when simplified.
  4. Evaluate equivalent expressions: Evaluate the choices to find the equivalent expression.\newline(A) 60+51=11160 + 51 = 111 (This is not equal to 99)\newline(B) 60+(51)=111-60 + (-51) = -111 (This is not equal to 99)\newline(C) 51+60=9-51 + 60 = 9 (This is equal to our result)\newline(D) 5160=951 - 60 = -9 (This is not equal to 99)

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