6乘2X=3 15-6x=32｛x+5｝=30｛x-6}除以7=14

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6乘2X=3 15-6x=32｛x+5｝=30｛x-6}除以7=14
6乘2X=3
15-6x=3
2｛x+5｝=30
｛x-6}除以7=14

6乘2X=3 15-6x=32｛x+5｝=30｛x-6}除以7=14
2x = 3/6; x = 1/4
6x = 12; x = 2
x = 30-5=25
x-6=14x7=98; x = 98+6=104