关于x的方程2(x-3)+a=b(x-1)是一元一次方程,则b的值是多少?
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要过程
(3x-5)/2=(2x-1)/3
(x-3)/-5=(3x+4)/15
(3y-1)/4 -1=(5y-7)/6
(5x-1)/4=(3x+1)/2-(2-x)/3
(3x+2)/2-1=(2x-1)/4-(2x+1)/5
(3x+5)/2=(2x-1)/3
(x-3)/-5=(3x+4)/15
(3y-1)/4 -1=(5y-7)/6
(5y+4)/3+ (y-1)/4=2-(5y-5)/12
匿名 回答:1 人气:11 解决时间:2008-10-20 21:58解:(3x-5)/2=(2x-1)/3化为3(3x-5)=2(2x-1)∴x=13/5
(x-3)/-5=(3x+4)/15化为15(x-3)= -5 (3x+4) ∴x=5/6
(3y-1)/4 -1=(5y-7)/6化为6(3y-1) -24=4(5y-7) ∴y=-1
(5x-1)/4=(3x+1)/2-(2-x)/3化为3(5x-1) =6(3x+1)-4(2-x)∴x=-1/7
(3x+2)/2-1=(2x-1)/4-(2x+1)/5
化为10(3x+2)-20=5(2x-1)-4(2x+1)∴x=-9/28
(3x+5)/2=(2x-1)/3化为3(3x+5) =2(2x-1)∴x=-17/5
(5y+4)/3+ (y-1)/4=2-(5y-5)/12化为4(5y+4) + 3(y-1) =24-(5y-5) ∴y=4/7
(3x-5)/2=(2x-1)/3
(x-3)/-5=(3x+4)/15
(3y-1)/4 -1=(5y-7)/6
(5x-1)/4=(3x+1)/2-(2-x)/3
(3x+2)/2-1=(2x-1)/4-(2x+1)/5
(3x+5)/2=(2x-1)/3
(x-3)/-5=(3x+4)/15
(3y-1)/4 -1=(5y-7)/6
(5y+4)/3+ (y-1)/4=2-(5y-5)/12
匿名 回答:1 人气:11 解决时间:2008-10-20 21:58解:(3x-5)/2=(2x-1)/3化为3(3x-5)=2(2x-1)∴x=13/5
(x-3)/-5=(3x+4)/15化为15(x-3)= -5 (3x+4) ∴x=5/6
(3y-1)/4 -1=(5y-7)/6化为6(3y-1) -24=4(5y-7) ∴y=-1
(5x-1)/4=(3x+1)/2-(2-x)/3化为3(5x-1) =6(3x+1)-4(2-x)∴x=-1/7
(3x+2)/2-1=(2x-1)/4-(2x+1)/5
化为10(3x+2)-20=5(2x-1)-4(2x+1)∴x=-9/28
(3x+5)/2=(2x-1)/3化为3(3x+5) =2(2x-1)∴x=-17/5
(5y+4)/3+ (y-1)/4=2-(5y-5)/12化为4(5y+4) + 3(y-1) =24-(5y-5) ∴y=4/7
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