设有 x 只猴子,则5x + 23 = 9x + 39x - 5x = 23 - 34x = 20x = 5桃子 = 5x + 23 = 48答:这堆桃子有 48 个.猴子5只,求采纳
5x+23=y=9x+3猴子有5只桃有48个