What is $14 + 18 -:2 * 18 -7$ , using order of operations?

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Answer 1 · 2016-03-18T01:33:14

$14+18-:2xx18-7=color(blue)169$

PEMDAS is an anagram that helps us to remember the order of operations.
![https://6th-grade-at-rwms.wikispaces.com/PEMDAS](useruploads.socratic.org)

$14+18-:2xx18-7$

There are no parentheses or exponents, so we start with multiplication and division from left to right.

$14+color(red)(18-:2)xx18-7$

Carry out the division highlighted in red.

$14+color(red)(9)xx18-7$

Carry out the multiplication highlighted in blue.

$14+color(blue)(9xx18)-7$

Simplify.

$14+color(blue)(162)-7$

Simplify.

$169$

What is 14 + 18 -:2 * 18 -714 + 18 -:2 * 18 -7, using order of operations?