解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以5

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解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以5解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以5解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以52

解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以5
解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以5

解方程2乘以0.2x-3乘以0.3x+5乘以0.4x=0.3乘以5
2*0.2x-3*0.3x+5*0.4x=0.3*5
0.4x-0.9x+2x=1.5
1.5x=1.5
x=1