Question

Evaluate for d = 2. 2(d + 4d)

Answer 1

Answer: d = 12

2(2 + 4d)

Disturbte the 2 time everything and you get

4 + 8D add alike variable and the answer is d=12

Answer 2

Substitute 2 for d.

$2(d + 4d) \\ 2(2 + (4 \times 2)) \\ 2(2 + 8) \\ 2(10) \\ 20$