Zeretric Zeretric
  • 12-10-2018
  • Mathematics
contestada

8a - 3(2a + 5) = 13.

Respuesta :

jimrgrant1 jimrgrant1
  • 12-10-2018

a = 14

distribute parenthesis on left side and simplify

8a - 6a - 15 = 13

2a - 15 = 13 ( add 15 to both sides )

2a = 28 ( divide both sides by 2 )

a = [tex]\frac{28}{2}[/tex] = 14


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