Answered by AI, Verified by Human Experts

A) -7

B) -1

C) 1

D) 7

Answer:The solution of the equation 9x=7(x+2) is:Option D) 7Step-by-step explanation:9x=7(x+2)Eliminating the parentheses applying distributive property:9x=7(x)+7(2)Multiplying:9x=7x+14Grouping the x's on the left side of the equation: Subtracting 7x both sides of the equation:9x-7x=7x+14-7xSubtracting:2x=14Solving for x: Dividing both sides of the equation by 2:2x/2=14/2Dividing:x=7Solution: x=7 (option D)...

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