Group Like Terms: Group the like terms in the expression 10f+8f−9f−6f. Reasoning: Like terms are terms that contain the same variables raised to the same power. In this case, all terms are like terms because they all contain the variable f. Calculation: Grouping the like terms together, we have (10f+8f)−(9f+6f).
Combine Like Terms: Combine the like terms from the grouped expression.Reasoning: We add and subtract the coefficients of the like terms.Calculation: (10f+8f)−(9f+6f)=18f−15f.
Subtract Coefficients: Subtract the coefficients of the like terms to simplify the expression.Reasoning: We perform the subtraction of the coefficients to find the simplified form of the expression.Calculation: 18f−15f=3f.
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