Question

Can someone help me on these two absolute value equations?
1. lr-8l=5
2. 4l2y-3l-1=11
Please show me how to solve this step-by-step.

Answer 1

Okay, so for this question, we are trying to find the value of r. We have to flip the equation around to get the answer. 8+5=13
Therefore, r=13
Let's check our work. I13-8I=5
The I I just means that the difference between the two numbers will be positive, but since it already is, we can just ignore that.
#1 is r=13
Does that make sense?

Answer 2

Yes it does, thx

Answer 3

Oh ya, and I am supposed to write no solution to one of the questions so I guess #2 is the one

Answer 4

Great! Now, let's figure out #2. I'm gonna give you a link for future math problems, and you can try using it for this one too. https://www.mathway.com/

Answer 5

Thanks!

Answer 6

No solution? I'm not sure what that means :(
But those calculators are SO SO SO helpful!! there are so many online. The one I gave you is half-free, but with a simple Google search, you can find many free ones.

Answer 7

Oh ok, because it says solve the equation and if you don't find a solution then write no solution.

Answer 8

Oh I get it! By the way, the answer to the second one is 3. I'll show you how to tell. I'm gonna plug in 3 for the value of y.

2*3-3=3
4*3=12
12-1=11
Therefore, y=11

Answer 9

I hope you find that helpful! Your such a good learner that I gave you a badge!!!

Answer 10

Thx!

Answer 11

You are very welcome! Do you have any other questions today?

Answer 12

Do you know solve to solve unions?

Answer 13

How to solve*

Answer 14

Hmmm... I'm not sure what a "union" is, but if I see the problem, I may recognize it (I always forget my math term rofl)

Answer 15

A U C Let A={1,3,4} C={2,5,7,10} I guess the U means union

Answer 16

Woah that's tough. I believe I know how to solve it, but I'm not certain. Therefore, I do not want to lead you down the wrong path. :(

Answer 17

The second one is C upside down U D and C={2,5,7,10} and D={x l x is an odd whole number less than ten

Answer 18

Ok it's ok

Answer 19

@phi
@kelliegirl33
They can help you :)

Answer 20

Ok thanks

Answer 21

Have a blessed day! :)

Answer 22

***
A U C Let A={1,3,4} C={2,5,7,10}
****

union means the set that contains the elements from both sets, but with *no duplicates*
example
{1,2} U { 2,3} = {1,2,3}
(not {1,2,2,3} )

intersection of two sets contains only the elements found in both sets.
example
{1,2} \(\cap\) { 2,3} ={2}