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PLEASE HELP. How would you solve -2<=(3/5)z+(4/5)<6 for Z.
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PLEASE HELP. How would you solve -2<=(3/5)z+(4/5)<6 for Z.

User Vianey
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-2\leq(3)/(5)z+(4)/(5)<6 \\ -10\leq3z+4<30\\ -14\leq3z<26\\ -(14)/(3)\leq z<(26)/(3)\\ z\in\left[-(14)/(3),(26)/(3)\right)
User Thermans
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