Identify and Group Like Terms: Step 1: Identify and group like terms in the expression −7y−9−3y.Grouping like terms: (−7y and −3y)+(−9).Calculation: (−7y−3y)+(−9)
Combine Like Terms: Step 2: Combine the like terms from the previous step.Calculation: −7y−3y=−10y.New expression: −10y−9
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