Kp8eannyoginson Kp8eannyoginson

26-10-2016
Mathematics

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What is 10z-15-4z=8-2z-15?

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Leona4336 Leona4336

26-10-2016

10z-15-4z=8-2z-15
6z-15=-7-2z
+2z +2z
8z-15=-7
+15 +15
8z=8
8÷8
z=1

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