Question

If a = 7, what is the value of the expression 2(a + 8)?

Answer 1

Answer:

$2(a + 8) \\ if \: a = 7 \\ 2 \times (7 + 8) \\ 2 \times 15 \\ = 30$

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Answer 2

Answer
2 x (7+8)
2x7=14
2x8=16
14+16=30
Explanation