20-2(4f-9) +7(2f-6) +11.solve the following equation
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Answer:
7+6f
Step-by-step explanation:
20-2(4f-9)+7(2f-6)+11 = 20-8f+18 + 14f -42+11
20+18-42+11 -8f +14f =7+6f
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