13 (z-4)-3 (z-9) -5 (z+4)=0
Sanjana111111:
z=9
Answers
Answered by
17
13(z-4)-3 (z-9)-5(z+4)=0
13z-52-3z+27-5z-20=0
13z-3z-5z=52-27+20
5z=45
z=9
13z-52-3z+27-5z-20=0
13z-3z-5z=52-27+20
5z=45
z=9
when we open -3(z-9) then it will become -3z + 27 not -27
sry tq
koi nhi welcum
Answered by
6
13(z-4)-3(z-9)-5(z+4)=0
13z-52-3z+27-5z-20=0
13z-8z-45=0
5z=45
z=45/5
z=9
13z-52-3z+27-5z-20=0
13z-8z-45=0
5z=45
z=45/5
z=9
when we open -3(z-9) then it will become -3z + 27 not - 27
I have changed it already
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