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Solve for the variable:
In order to answer this question, you must isolate on one side of the equation.
(Subtract
from both sides.)
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If and
, then
is equal to:
If and
, then when plugging the variables into the fractional form of
, the result is
, which is equal to 4, which is therefore the correct answer.
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Solve for the variable:
In order to answer this question, you must isolate on one side of the equation.
(Subtract
from both sides.)
Compare your answer with the correct one above
If and
, then
is equal to:
If and
, then when plugging the variables into the fractional form of:
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Simpify the expression.
To solve this problem you can cancel out like terms in the numerator and denominator. For example,
So,
All the other terms cancel each other out because they are equal to one.
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