Equations with variables on both sides
8 - 5x = 4x - 1 with explanation please

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Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

Sam is picking fruit from a basket that contains many different kinds of fruit. which set of events is independent?