Answer:
x=1
Step-by-step explanation:
7x - 20 = 2x - 3(3x + 2)
Distribute
7x -20 = 2x -9x -6
Combine like terms
7x-20 =-7x -6
Add 7x to each side
7x+7x-20 =-7x+7x -6
14x -20 = -6
Add 20 to each side
14x-20+20 =-6+20
14x = 14
Divide by 14
14x/14=14/14
x=1
Answer:
3?
Step-by-step explanation:
try the very last one might be wrong but...
Answer:

Step-by-step explanation:
We want to find the indefinite integral

We can rewrite this in the form: 
This will allow us to use tables of integration.
We use formula 31 from the table of integration shown in the attachment.

We let
,then

We simplify to get:
