(1)移项,2y=2/3+1/2
2y=7/6
∴ y=7/12
(2)打开括号,6/7x+2=2-3/2x
移项,6/7x+3/2x=2-2
∴x=0
(3)化简,1/3x-3/8x=-2
-1/24x=-2
∴x=48
(1)y+2分之1=3分之2-y(2)7分之2(3x+7)=2-2分之3x(3)6分之2x+5-8分之3x-2=1
(1)y+2分之1=3分之2-y(2)7分之2(3x+7)=2-2分之3x(3)6分之2x+5-8分之3x-2=1
数学人气:311 ℃时间:2020-04-26 12:01:16
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