When Joanne checked her work by substituting the value of the variable back into the equation, she got an answer of 12.34 = 12.33. Explain why Joanne could have gotten the answer correct even though she did not get a true statement when she checked her work. need help plz
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Joanne could have rounded her answer to a specific decimal place, rather than using the exact answer. If you use a rounded answer to verify your solution, you may get a statement that is not exactly equal. The numbers, 12.34 and 12.33 are very close to each other, so Joanne can assume she solved the multi step equation correctly.
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