解方程,6÷(x十5,6)二42怎么做
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6÷(x+5.6)=42
x+5.6 = 6÷42 = 1/7
x = 1/7-5.6 = -5-3/5+1/7 = -5又16/35
6*(x+5.6)=42
x+5.6 = 42÷6 = 7
x = 7-5.6 = 1.4
x+5.6 = 6÷42 = 1/7
x = 1/7-5.6 = -5-3/5+1/7 = -5又16/35
6*(x+5.6)=42
x+5.6 = 42÷6 = 7
x = 7-5.6 = 1.4
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