解方程:(4x-0.2)/0.3=(3x-1.1)/0.4+(0.16-0.7x)/0.06解方程:(4x-0.2)/0.3 = (3x-1.1)/0.4 + (0.16-0.7x)/0.06

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解方程:(4x-0.2)/0.3=(3x-1.1)/0.4+(0.16-0.7x)/0.06解方程:(4x-0.2)/0.3 = (3x-1.1)/0.4 + (0.16-0.7x)/0.06
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解方程:(4x-0.2)/0.3=(3x-1.1)/0.4+(0.16-0.7x)/0.06解方程:(4x-0.2)/0.3 = (3x-1.1)/0.4 + (0.16-0.7x)/0.06
解方程:(4x-0.2)/0.3=(3x-1.1)/0.4+(0.16-0.7x)/0.06
解方程:(4x-0.2)/0.3 = (3x-1.1)/0.4 + (0.16-0.7x)/0.06

解方程:(4x-0.2)/0.3=(3x-1.1)/0.4+(0.16-0.7x)/0.06解方程:(4x-0.2)/0.3 = (3x-1.1)/0.4 + (0.16-0.7x)/0.06
(4x-0.2)/0.3 = (3x-1.1)/0.4 + (0.16-0.7x)/0.06
公式两边同乘0.3、0.4、0.06的公倍数12得:
40(4x-0.2)= 30(3x-1.1) + 200(0.16-0.7x)
160x-8=90x-33+32-140x
移项得:
210x=7
x=1/30

百分之19.6

(4x-0.2)/0.3 = (3x-1.1)/0.4 + (0.16-0.7x)/0.06 (两边同乘以12)
40(4x-0.2) = 30(3x-1.1)+ 200(0.16-0.7x)
160X-8=90X-33+32-140X
210X=7
X=1/30

10(4x-0.2)/3=10(3x-1.1)/4+100(0.16-0.7x)/6
160x-8=90x-33+32-140x
210x=7
x=1/30