The buyer in shop spent money 4 times bigger than in the market. How many money the buyer spent if in shop he spent for 1563 rub more than in the market Without the equations and with explanations

X-spent in the market in shop 1) 4kh-x =1536 of the 3rd =1536 x =512 2) 4*512=2048 3) 2048+512=2560rub. check: 2048-512=1536 Answer: in total the buyer spent 2560 rubles.
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