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Question

x+y+z-100 = -2
​xy+yz+zx
and x+y=3z
​then find the value of z

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Solution

Dear student
Givenx+y+z-100=-2 .....(!)and. x+y=3z .....(2)Substitute the value of x+y=3z in eq(1), we get3z+z-100=-24z=98z=984z=492Regards

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