ilosć pokoi 2 osobowych --- x
ilość pokoi 3 osobowych --- 29 - x
2 * x + 3 * (29 - x) = 70
2x + 87 - 3x = 70
-x = 70 - 87
-x = -17
x = 17
ilosć pokoi 2 osobowych --- x = 17
ilość pokoi 3 osobowych --- 29 - x = 29 - 17 = 12
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ilosć pokoi 2 osobowych --- x
ilość pokoi 3 osobowych --- 29 - x
2 * x + 3 * (29 - x) = 70
2x + 87 - 3x = 70
-x = 70 - 87
-x = -17
x = 17
ilosć pokoi 2 osobowych --- x = 17
ilość pokoi 3 osobowych --- 29 - x = 29 - 17 = 12