How do you simplify #2x + 3 + x#?

2 Answers
Jun 30, 2018

See a solution process below:

Explanation:

First, group like terms:

#2x + x + 3#

Now, combine like terms:

#2x + x + 3 =>#

#2x + 1x + 3 =>#

#(2 + 1)x + 3 =>#

#3x + 3#

If necessary, we could also factor out the common term:

#(3 xx x) + (3 xx 1) =>#

#3(x + 1)#

Jun 30, 2018

#3x+3#

Explanation:

Given: #2x+3+x#.

Add like-terms.

#=3x+3#

We can also factor. Take out the common term, which is #3#.

#=3(x+1)#