SOLUTION: I don't know what kind of Algebra this is. I am 57 years old and trying to help my grandson with his past due work, I never took algebra so this is new to me. If you could explain

Question 242115: I don't know what kind of Algebra this is. I am 57 years old and trying to help my grandson with his past due work, I never took algebra so this is new to me.
If you could explain the solution and how you go it in easy terms it would really help me to understand more problems, I hope.
Here is one problem: k(15)= 165
It probably looks easy to you but not to me.
Thank you,
Barbara
Answer by College Student(505) (Show Source): You can put this solution on YOUR website!
Hello. This equation is taught in Pre-Algebra.
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In Algebraic equations we use a lot of variables. These can be represented by any letter of the alphabet (although usually we see "x") and they mean an unknown numeric value. The objective is to find the value or values of the variable.
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When we see a letter next to a number, it means they multiply each other. Although we would typically see the number first, then the letter (examples: 25k, 4x, 3y, etc). The parenthesis are not always there when we deal with one number and one letter... but k(15) is not wrong, just uncommon.
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Step:
a. isolate the variable by either adding,deducting, multiplying, or dividing both sides of the equation to determine the variable's value.
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The problem:

Since k and 25 are being multiplied, we are going to divide 25 from both sides to isolate k.

<--- this is your solution.
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I found this web site that explain things very clearly and shows many examples. You might find it helpful. Although you're more than welcomed to keep using Algebra.com to submit your problems.
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This is the main page about Algebra.
http://www.mathsisfun.com/algebra/index.html
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This is the intorduction to Algebra. It shows you samples with variables and how to use them.
http://www.mathsisfun.com/algebra/introduction.html
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