Question

Lisa's work finding the value of the expression 9 + 2(1-7) is shown below. Determine whether or not her work is correct. If it is incorrect, show Lisa how to find the correct value. Problem: 9 + 2(1-7) Step 1: Step 2: Answer: 9+2(-6) 11(-6) -66​

Answer 1

9 + 2(1 - 7)

= 9 + 2(-6) Simplify the subtraction expression inside the parenthesis.

= 9 - 12 Multiply.

= -3 Subtract.