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Beginning Algebra
Tutorial 14: Solving Linear Equations

 *Remove ( ) by using dist. prop.   *Inverse of add. 27 is sub. 27   *Inverse of mult. by -7 is div. by -7

 If you put 4 back in for x in the original problem you will see that 4 is the solution we are looking for.

 *To get rid of the fractions,  mult. both sides by the LCD of 8 *Get all the x terms on one side *Inverse of sub. 1 is add. 1

 If you put - 4 back in for x in the original problem you will see that - 4 is the solution we are looking for.

 *To get rid of the decimals, mult. both sides by 100 *Get all the a terms on one side *Inverse of sub. 5 is add. 5 *Inverse of mult. by 5 is div. by 5

 If you put 4 back in for a in the original problem you will see that 4 is the solution we are looking for.

 *Remove ( ) by using dist. prop. *Get all the x terms on one side

 This time when our variable dropped out, we ended up with a FALSE statement.  Whenever that happens your answer is NO SOLUTION. So, the answer is no solution.

Last revised on July 26, 2011 by Kim Seward.