Write the expression as sum: .

Terms: 9, 7y, –2, –5y

Like Terms:  7y and –5y

Coefficients: 7, –5

Constant terms: 9, –2

Terms: 9, 7y, –2, –5y

Like Terms:  7y and –5y

Coefficients: 7, –5

Constant terms: 9, –2