Question

Evaluate:
7a + b - 2c, if a = 2, b = 1, c = -1​

Answer 1

Answer:

17

Step-by-step explanation:

a = 2, b = 1, c = -1

then

$7a + b - 2c$

$= 7 \times 2 + 1 - 2 \times ( - 1)$

$= 14 + 1 + 2$

$= 17$

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