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OpenStudy (anonymous):
Charlie's weight is nine kilograms greater than his brother's. Together they weigh 99 kilograms. Let x represent the weight of the little brother. Which equation can be used to determine what each one weighs? A)x2 + 9 = 99 B)2x - 9 = 99 C)2x + 9 = 99 D)3x - 9 = 99
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OpenStudy (anonymous):
C?
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