Mathematics, 01.10.2019 06:30 nevaehroyal0708
Erica solved the equation β5x β 25 = 78; her work is shown below. identify the error and where it was made. (5 points)
β5x β 25 = 78
step 1: β5x β 25 β 25 = 78 β 25
step 2: β5x = 53
step 3: =
step 4: x =
step 1: she should have added 25 to each side.
step 1: she should have divided both sides by β5.
step 3: she should have divided both sides by β5.
step 3: she should have multiplied both sides by β5
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Erica solved the equation β5x β 25 = 78; her work is shown below. identify the error and where it w...
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