Find the value of z in rectangle QRST.

label Mathematics
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May 8th, 2015

we have : 3z - 42 = 5z - 76 

so : 3z - 5z = - 34

so : -2z = -34

so : z= 17 

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karim 

May 8th, 2015

it wont let me ask more questiosn its saying I have to pay

May 8th, 2015

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