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Emma and her friends played a board game that uses cards and dice to determine how many spaces they move. On her first turn, Emma rolled the dice and then played a card that increased the number of spaces she moved by $8$. On her second turn, she rolled $3$ times her previous roll, but her friend played a card that decreased the number of spaces she moved by $4$. In the end, she moved the same number of spaces on both turns.$\newline$Which equation can you use to find $r$, the number Emma rolled on her first turn?$\newline$Choices:$\newline$(A) $r + 8 = 3r - 4$$\newline$(B) $r + 8 = 3r + 4$$\newline$What number did Emma roll on her first turn?$\newline$____