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Identify the variables, terms and number of terms in each of the following expressions:
 
S.NoExpressionsVariablesTermsNo. of terms
(i)\(12 - x\),
(ii)\(7 + 2y\), \(2y\)
(iii)\(29 + 3x + 5y\), \(29\), ,
(iv)\(3x - 5 + 7z\), , \(-5\),
 
(Note: Enter the variables in ascending order. Under terms column, enter the values in the order of the given expressions.)