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

User Kamyar Gilak
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1 Answer

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