Question
A snail is climbing to the top of a wall. It starts from the bottom of the wall and after climbing 12 of the height of the wall, it begins to rain. During the rain, the snail slips down 9 m. When the rain stops, the snail climbs up the remaining 57 of the height of the wall to reach the top of the wall. Find the height of the wall.
4 m

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A snail is climbing to the top of a wall. It starts from the bottom of the wall and after climbing 12 of the height of the wall, it begins to rain. During the rain, the snail slips down 9 m. When the rain stops, the snail climbs up the remaining 57 of the height of the wall to reach the top of the wall. Find the height of the wall.