Question

How do you evaluate `(2) ( - 5) - - 18\div 3`?

Answer 1

`(2)(-5)- -18-:3=color(blue)(-4`

Explanation:

Use the order of operations as indicated by PEMDAS: Parentheses, exponents, multiplication and division from left to right, addition and subtraction from left to right.

`(2)(-5)- -18-:3`

Multiply `2xx(-5)`.

`-10- -18-:3`

Multiply `-1xx-18`.

`-10+18-:3`

Do the division next. `-18-:3`.

`-10+6`

Add.

`-10+6=-4`