simplify by combining like terms

Algebra
Tutor: None Selected Time limit: 1 Day

4c-4d+8c-3d

Sep 14th, 2015

Thank you for the opportunity to help you with your question!

4c-4d+8c-3d

4c+8c=12c...............(a)

-4d-3d=-7d...............(b)

adding a and b we get

12c-7d



Please let me know if you need any clarification. I'm always happy to answer your questions. rate my answer please.
Sep 14th, 2015

can you help with another?


Sep 14th, 2015

inserting <, >, or =.

-1/3 () -2/5

Sep 14th, 2015

-1/3 > -2/5

Sep 14th, 2015

please make a good review on my profile my friend. 

Sep 14th, 2015

1.7 () 2.6

i put < is that correct?

Sep 14th, 2015

i sure will! how can i make a review?

Sep 14th, 2015

1.7 < 2.6...... yes thats correct 


Sep 14th, 2015

alrighty, great! thanks. 

okay one more and its short answer:/

In the following expression: the number of people p required to paint n square feet of wall in 24 hours, which set of numbers best describes the values of each variable?

Sep 14th, 2015

you make review during payment. just click the pay option you will see it. 


Sep 14th, 2015

can you please help with that short answer question?

Sep 14th, 2015

The number of people p is a natural number, while the number of square feet n is a rational number.


Sep 14th, 2015

thank you so much! what about simplify:

-l-13l?

Sep 14th, 2015

do you mean -1-13?

then  the answer is -14

Sep 14th, 2015

no, sorry i dont have the lines on my computer so i used a lowercase L but its supposed to be like the two lines on each side. Kind of like ( ) <-- those but straight

Sep 14th, 2015

i still don't get it dear. i have a good tutorial with answers for this chapter. if you can click to my profile and ask me a question and put 1 dollar then i can send you the whole document. it will really help you. i use it on my students too. 


Sep 14th, 2015

-|-13|.....and it asks to simplify that

Sep 14th, 2015

the answer is 13.

- x - = +

- x + = -

+ x + = +

i want to assist you with that tutorial and it will help you for practice and better understanding of this chapter. 

Sep 14th, 2015
i have understood your question. the answer is -13.
 |-13| means absolute value of -13. and here you ignore the negative sign. 
Sep 14th, 2015

i have all these questions and their answers so if your are willing you can tell me.  

Sep 14th, 2015

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