# How do you simplify #(21-3)-(4+2)+(3+5)# using PEMDAS?

##### 2 Answers

Jul 27, 2016

See explanation

#### Explanation:

We must solve in the PEMDAS order. There are three sets of parentheses, so let's solve for those:

We now have

There's no exponents, multiplication, or division. Next up is addition:

From here it's simple subtraction:

Aug 1, 2016

#### Explanation:

There are 3 terms, each must simplify to a single answer which will be simplified in the LAST step.

Note that this is NOT!

We may not add in parentheses where we think they belong.

The additions are