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8x-9x = 150/10 helpp
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3 votes
8x-9x = 150/10 helpp

User Yago
by
5.8k points

1 Answer

3 votes

Answer:

x =-15

Explanation:


8x-9x = (150)/(10) \\\\\mathrm{Add\:similar\:elements:}\:8x-9x=-x\\-x=(150)/(10)\\\\\mathrm{Divide\:the\:numbers:}\:(150)/(10)=15\\-x=15\\\\\mathrm{Divide\:both\:sides\:by\:}-1\\(-x)/(-1)=(15)/(-1)\\\\Simplify\\x=-15

User Diallo
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