# How do you simplify #(4y-9)-(3y+10)#?

##### 1 Answer

Apr 16, 2016

#### Answer:

#### Explanation:

A place where students commonly make mistakes with is the terms after the subtraction sign, in this case

Pretend that there is a negative 1 in front of

Distribute that negative one to the terms in the parenthesis, to get

Combine that with the remaining expression and then simplify.

Combine like terms:

Put those together to get the answer of: