Question

Evaluate 2(10 - d) + f, when d = 7 and f = -3.

A. -2
B. 3
C. 9
D. 20

Answer 1

Put the values of d = 7 and f = -3 to the expression 2(10 - d) + f

Use PEMDAS:

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

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2(10 - 7) + (-3) = 2(3) - 3 = 6 - 3 = 3

Answer: B. 3

Answer 2

B. 3

Explanation:

2(10 - d) + f

d = 7 and f = -3

Substitute these value in

2(10 - 7) + -3

2 * (3) -3

6 -3

3