How do you evaluate $9.7 + 3.1w - 1.9$ for w = 2.3?

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Answer 1 · 2018-06-06T01:52:35

$14.93$

Simply substitute $2.3$ wherever there is a $w$ in the expression

$9.7 + 3.1w - 1.9$

$= 9.7 + 3.1(2.3) - 1.9$

$= 9.7 + 7.13 - 1.9$

$= 14.93$

How do you evaluate 9.7 + 3.1w - 1.99.7 + 3.1w - 1.9 for w = 2.3?