There are two general rules for re-arranging a formula.
A multiplying factor moved to the other side becomes a divisor. And vice versa.
An adding factor moved to the other side becomes a subtractor. And vice versa.
A multiplying factor moved to the other side becomes a divisor. And vice versa.
An adding factor moved to the other side becomes a subtractor. And vice versa.
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Very minor correction: if it adds/subtracts it is a term, not a factor.
(I once had to write an expression parser (for real, not an exercise) and these distinctions became very important then. In normal life they are much less important, but as algebra seems to confuse most people it may help if we give things consistent names.)
(I once had to write an expression parser (for real, not an exercise) and these distinctions became very important then. In normal life they are much less important, but as algebra seems to confuse most people it may help if we give things consistent names.)
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