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Which of the below statements is equivalent to $add += $add ?$add = $add$add = $add +$add$add = $add + 1$add = $add + $add + 1

Question

Which of the below statements is equivalent to add += add?

  • add = add
  • add = add + add
  • add = add + 1
  • add = add + add + 1
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Solution

To determine which of the statements is equivalent to "add+=add += add", we can break down each option and analyze them step by step:

  1. add=add = add This statement is not equivalent to "add+=add += add" because it simply assigns the value of $add to itself, without performing any addition.

  2. add=add = add + addThisstatementisnotequivalentto"add This statement is not equivalent to "add += add"either.Itassignsthesumofadd" either. It assigns the sum of add and addtoadd to add, which is essentially doubling the value of $add.

  3. add=add = add + 1 This statement is also not equivalent to "add+=add += add". It assigns the value of addplus1toadd plus 1 to add, which increments $add by 1.

  4. add=add = add + add+1Thisstatementisequivalentto"add + 1 This statement is equivalent to "add += add".Itassignsthesumofadd". It assigns the sum of add, add,and1toadd, and 1 to add, effectively adding the value of $add to itself and then adding 1.

Therefore, the statement that is equivalent to "add+=add += add" is "add=add = add + $add + 1".

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