1.8/1.2=(x+3)/x

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1.8/1.2=(x+3)/x1.8/1.2=(x+3)/x1.8/1.2=(x+3)/x解:1.8x=1.2×(x+3)1.8x=1.2x+3.61.8x-1.2x=3.6x=3.6÷0.6x=6

1.8/1.2=(x+3)/x
1.8/1.2=(x+3)/x

1.8/1.2=(x+3)/x
解: 1.8x=1.2×(x+3)
1.8x=1.2x+3.6
1.8x-1.2x=3.6
x=3.6÷0.6
x=6