### Home > MC2 > Chapter 6 > Lesson 6.1.3 > Problem 6-29

6-29.

When you replace *x* with 9 your equation is:

7(9) + 8

Use the order of operations to simplify.

71

Replace *y* with −6 and then use the orderof operations to simplify the expression.

Use the method presented in part (a).

72

See part (a).