Discount

The new phone was discounted by 2800kč. After this discount, five phones cost 5530 CZK, more than three phones before the discount. How much did the phone cost before the discount?

Correct answer:

x =  9765

Step-by-step explanation:


5·(x-2800) = 3·x + 5530

2x = 19530


x = 19530/2 = 9765

x = 9765

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