Algebra II : Equations

Study concepts, example questions & explanations for Algebra II

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Example Questions

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Example Question #471 : Equations

Solve for :

Possible Answers:

Correct answer:

Explanation:

Step 1: The least common denominator of 7 and 2 is 14.  Multiply each term by this LCD:

Step 2: Reduce the fractions:

Step 3: Isolate :

 

Remember to distribute the negative:

Example Question #472 : Equations

Solve for  and .

Possible Answers:

Correct answer:

Explanation:

Solve for x and y by using substitution. Solve the first equation for x.  

Next substitute x into the second equation and simplify,

Now use the value for y to solve for x.

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