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 Depdendent Variable

 Dependent Variable

 Number of inequalities to solve: 23456789
 Ineq. #1:
 Ineq. #2:

 Ineq. #3:

 Ineq. #4:

 Ineq. #5:

 Ineq. #6:

 Ineq. #7:

 Ineq. #8:

 Ineq. #9:

 Solve for:

December 8th

December 8th

# SOLVING LITERAL EQUATIONS FOR A SPECIFIC VARIABLE

#15) PROBLEM:
Solve for A in the equation Ah

STUDENT HAD THE FOL LOWING :

At this point, the student was confused because her answer did not match the answer in the back of the book.

TUTOR’S STORY:
Tutor Haydi noticed that the student understood the process of solving for the variable. However, the student made a mistake while distributing the 3 into the expression She multiplied each variable by three rather than treating it as one expression . Haydi explained to the student that she was only supposed to do that if the variables inside the parentheses were added or subtracted . For example, if the expression was then the 3 would be multiplied by each of the three terms. However, when all the variables are multiplied together, then the ex pression is only one term and you multiply the number only once. When the student understood that, she was able to redo the problem and get it right:

END

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