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2X-4/3(x-2)=5/3[x-1/2(x+1)]
人气:158 ℃ 时间:2020-04-24 02:07:55
解答

2x-4/3(x-2)=5/3[x-1/2(x+1)]
2x-4/3x+8/3=5/3[1/2x-1/2]
2/3x+8/3=5/6x-5/6
两边乘以6
4x+16=5x-5
5x-4x=16+5
x=21是2X-12X-110X-1———- 1 =———-——— 4312解两边乘以12得:3(2x-1)-12=4(2x-1)-(10x-1)即6x-15=8x-4-10x+16x-15=-2x-3即6x+2x=15-3即8x=12∴x=3/2
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