Question

Which of the expressions are equivalent to the one below? Check all that apply. (5.1)-7 A. (15)-7 B. 5. (1+7) C. (5+1)-7 D. 7+ (15)
apex. pic below.

Answer 1

Answer:

A. and C.

Step-by-step explanation:

(5•1) - 7

• We need to calculate inside the parenthesis first.

5 × 1 = 5

• Then we subtract.

5 - 7 = -2

• Now, to see which expressions are equivalent to (-2), we can check each option using the same steps.

A.

1 × 5 - 7 = -2

C.

5 ÷ 1 - 7 = -2