12-05-2017
Mathematics

contestada

Solve for x
9x-5=6x+9x+10

Respuesta :

SmartChick SmartChick

12-05-2017

Here's how you would do it:
9x - 5 = 6x + 9x + 10 combine 6x and 9x
9x - 5 = 15x + 10 subtract 9x from both sides
-5 = 6x + 10 subtract 10 from both sides
-15 = 6x divide both sides by 6
-15/6 = x simplify the fraction
-5/2 = x or in decimal form x = -2.5

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