Question

8x-9x = 150/10 helpp

Answer 1

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`