whitedaisy9215 whitedaisy9215
  • 12-09-2020
  • Mathematics
contestada

7x + 15 - 9x = 5 plz help

Respuesta :

ZJSG09112007
ZJSG09112007 ZJSG09112007
  • 12-09-2020

Answer:

x =5

Step-by-step explanation:

[tex]7x + 15 - 9x = 5\\\\\mathrm{Group\:like\:terms}\\7x-9x+15=5\\\\\mathrm{Add\:similar\:elements:}\:7x-9x=-2x\\-2x+15=5\\\\\mathrm{Subtract\:}15\mathrm{\:from\:both\:sides}\\-2x+15-15=5-15\\\\Simplify\\-2x=-10\\\\\mathrm{Divide\:both\:sides\:by\:}-2\\\frac{-2x}{-2}=\frac{-10}{-2}\\\\Simplify\\x = 5[/tex]

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