menu
bartleby
search
close search
Hit Return to see all results

2X-+990

Question

Hello, I need help understanding the answer to this question. In my textbook, it shows that the answer would be 18x+2 but I’m confused on how that answer came about. I would greatly appreciate it if you can explain an easy way to understand this problem

2
X-
+
9
90
help_outline

Image Transcriptionclose

2 X- + 9 90

fullscreen
check_circleAnswer
Step 1

Evaluate

 

2
90
9
x-1
5
help_outline

Image Transcriptionclose

2 90 9 x-1 5

fullscreen
Step 2

On simplifying

 

= 90 2x5)+9x (x-1)
(9 x5)
10 9x-9
=90
45
1 9x
= 90
45
9019x
45
help_outline

Image Transcriptionclose

= 90 2x5)+9x (x-1) (9 x5) 10 9x-9 =90 45 1 9x = 90 45 9019x 45

fullscreen
Step 3

On canceling common term between numera...

= 2(19x
=2 18x
help_outline

Image Transcriptionclose

= 2(19x =2 18x

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Our solutions are written by experts, many with advanced degrees, and available 24/7

See Solution
Tagged in

Math

Algebra

Sorry about that. What wasn’t helpful?