1. Examine the expression 5x+9-2x - 7y.a. Which terms are like terms?b. What is the coefficient of the y term?c. Write the expression in simplified form.

Answer :

a. 5x and -2x are like terms

b. the coefficient in y term is -7

c. 5x + 9 - 2x - 7y = 3x - 7y + 9 (simplified form: 3x - 7y + 9)