3分之2－x＋7分之1＝14分之9怎么解方程？

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2/唤态3-x+1/7=9/14
2/3-x=9/14-2/14
2/3-x=7/14
2/3-x=1/2
x=2/嫌枣3-1/2
x=4/6-3/和者源6
x=1/6

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