8*2.5+2.4x等于56

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8*2.5+2.4x等于568*2.5+2.4x等于568*2.5+2.4x等于568*2.5+2.4x=562.4x=56-8*2.5=56-20=36x=36/2.4=158*2.5+2.4x等于

8*2.5+2.4x等于56
8*2.5+2.4x等于56

8*2.5+2.4x等于56
8*2.5+2.4x= 56
2.4x = 56 - 8*2.5 = 56 - 20 = 36
x = 36/2.4 =15

8*2.5+2.4x等于56
20+2.4x=56
2.4x=36
X=36÷2.4
X=15