Mathematics, 09.11.2019 08:31 kitam2871
Erica solved the equation β5x β 25 = 78; her work is shown below. identify the error and where it was made. β5x β 25 = 78 step 1: β5x β 25 β 25 = 78 β 25 step 2: β5x = 53 step 3: negative five times x over negative five = fifty-three over negative five step 4: x = negative fifty-three over five 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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