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Several formulas need to be rearranged so that a given variable ends up being the subject.© BrainMass Inc. brainmass.com March 4, 2021, 9:01 pm ad1c9bdddf
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Make x the subject:
The goal is to have one side of equation only has x terms
So add 18 to both sides:
Divide 13 from both sides:
To solve for x, we need to first move x out from the denominator, so multiply (x + 18) to both sides:
The answer in your scan is not correct.
Multiply x to both sides:
Transpose the following ...
It shows how to rearrange formulas and equations so that a given variable ends up being the subject. The solution is detailed and was rated '5/5' by the student who posted the question originally.