SOLUTION: How do you add and subtract the variables like: 5x-7(2-4x) my teacher gave me an extra credit wrkst and i really dont understand it. THANK-YOU!!!

Algebra ->  Expressions-with-variables -> SOLUTION: How do you add and subtract the variables like: 5x-7(2-4x) my teacher gave me an extra credit wrkst and i really dont understand it. THANK-YOU!!!      Log On


   

Question 222796: How do you add and subtract the variables like: 5x-7(2-4x)
my teacher gave me an extra credit wrkst and i really dont understand it.
THANK-YOU!!!
Found 2 solutions by stanbon, drj:
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
add and subtract the variables like: 5x-7(2-4x)
----------------------------
= 5x-14+28x
---
= 33x - 14
=================
Cheers,
Stan H.

Answer by drj(1380) About Me  (Show Source):
You can put this solution on YOUR website!
How do you add and subtract the variables like: 5x-7(2-4x)

Multiply out the terms to get rid of the parenthesis and collect like terms (in this example x).



ANSWER: 5x-7(2-4x)=33x-14

I hope the above steps were helpful.

For FREE Step-By-Step videos in Introduction to Algebra, please visit http://www.FreedomUniversity.TV/courses/IntroAlgebra and for Trigonometry visit http://www.FreedomUniversity.TV/courses/Trigonometry.

Good luck in your studies!

Respectfully,
Dr J