alleryBefore isolating the variable you should always first:
ASubtract
BSharpen
CSequence
DSimplify
Answer & Solution
Correct answer: D. Simplify
1. Either side may contain terms to combine.
2. Cleaning them up makes the next step easier.
3. So you simplify as much as possible first.
_Source: OpenStax Elementary Algebra 2e, Chapter 2, Solving Linear Equations and Inequalities._
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