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0.4z-3/1.5z+9=7/5
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Answer:
Step-by-step explanation:
=4/10z-30/15z+9=7/5
=2/5z-2z+9=7/5
(By LCM)= -8/5z+9=7/5
=-8z+9=7(5 gets transposited and cancelled)
=-8z=7-9
=-8z=-2
=z=-2/-8
=1/4
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