13(y-4)-3(y-9)-5(y+4)=0 verify it
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13(y-4)-3(y-9)-5(y+4)=0
→13y-52-3y+27-5y-20=0
→5y-45=0
→5y=0+45
→y=45/5
→y=9
LHS=13(y-4)-3(y-9)-5(y+4)
=13y-52-3y+27-5y-20
=13*9-52-3*9+27-5*9-20
=117-52-27+27-45-20
=117-117
=0
RHS=0
(Verified )
→13y-52-3y+27-5y-20=0
→5y-45=0
→5y=0+45
→y=45/5
→y=9
LHS=13(y-4)-3(y-9)-5(y+4)
=13y-52-3y+27-5y-20
=13*9-52-3*9+27-5*9-20
=117-52-27+27-45-20
=117-117
=0
RHS=0
(Verified )
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