plz solve this plz plz plz
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Step-by-step explanation:
a) 3(z-1)-2(4z-3)= 4z
=3z-3-8z+6=4z
= -5z+3=4z
= 3=4z+5z
=3/9=z
=z=1/3
b) (3/x+1)-(2/x-1)=5/x²-1
= (3x-3/ x²-1) - (2x+2/x²-1) = 5/x²-1
= 3x-3-2x-2/x²-1 =5/x²-1
= (x-5/x²-1)*x²-1 = 5
= x-5 = 5
= x=10
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