Problem 17 of 7
Rearrange Y = 3(a - b) to solve for a.
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distribute or divide before solving.
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Formula must require handling parentheses by division or distribution.
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Solution
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1. Undo multiplication outside the parentheses first when possible.
2. Then isolate the target variable inside the grouped expression.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Forgetting to divide every grouped term.