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What is the final step of the general strategy for solving a linear equation?
AClear every parenthesis first
BCombine the like terms again
CDivide by the leading coefficient
DCheck the answer in the original
Answer & Solution
Correct answer: D. Check the answer in the original
1. Once the variable stands alone you have a candidate answer.
2. Put that value back into the equation you were first given.
3. If both sides come out equal, the answer is confirmed.
_Source: OpenStax Intermediate Algebra (CC BY 4.0), Ch 2 "Solving Linear Equations", section 2.1 Use a General Strategy to Solve Linear Equations_
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