Two Variable Equations Solving for one Variable in Terms of the Other One

Two Variable Equations Solving for one Variable in Terms of the Other One
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41 KB|5 pages and answers worked out
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Product Description
In a two variable equation, one variable is solved in terms of the other. For example, if you have a problem with the variables x and y, you might be told to solve x. This means y will be part of the answer. If you are told to solve for y, then x will be part of the answer.

Here is an example:
Solve the following equation for y:
2x – y = 4
Hint: You are solving for y, so you must isolate y on one side of the equation. In other words, the variable y must stand alone.
Here are the steps:
2x – y = 4
2x – 2x – y = 4 – 2x
– y = 4 – 2x
–1( –y) = –1(4 – 2x)
y = –4 + 2x

There are more problems for the student to try and each problem has an answer that is worked out in just this manner with every step shown. A problem that is missed can be compared with the answer so that the student can find the step in which he missed an operation or a sign. That way, even checking answers becomes part of the learning process.
Total Pages
5 pages and answers worked out
Answer Key
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