5(x-7)=3(x-4)-27
5x-35=3x-12-27
5x-3x=-12-27+35
2x= -39+35
2x=-4
x=-4/2
x=-2
-6*(1/6-1/3y)-2(1- 3.1/2y)= -6*1/6 -6*(-1/3y)-2*(-2)*(-3.1/2y)=-1+2y-2+7y=-3+9y.
y= - 2.3/5
-3+ 9* (-2.3/5)=-3-23.2/5=-26.2/5=-26.4
Y=(2x-1)/(x-6) , x≠6
(2x-1)/(x-6)=5
2x-1=5(x-6)
2x-1=5x-30
2x-5x=-30+1
-3x=-29
x=29/3
y(29/3)=5
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