Question: 1) Libby's 4 quiz scores in her math class are 86, 91, 81, and 86. What score does she need to obtain on her next

1) Libby's 4 quiz scores in her math class are 86, 91, 81, and 86. What score does she need to obtain on her next quiz to average an 85? Round to the nearest whole number if necessary.

2) Solve and state if it has a solution: 7(x + 4) + 4 = 7x + 2

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