Answers

  • Brainly User
2016-02-11T09:33:33+08:00
10x - 4 - 5x = 16

Combine the like terms (same literal coefficients):
   10x - 5x = 16 + 4    (Applying Addition Property of Equality)
   5x = 20
   5x/5 = 20/5
   x = 4

Check, plug 4 to x:
10(4) - 4- 5(4) = 16
40 - 4 - 20 = 16
40 - 24 = 16
16 = 16  (True)
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