maniacpokemon43
maniacpokemon43 maniacpokemon43
  • 01-10-2015
  • Mathematics
contestada

Solve for X

4X-(9-3X)=8X-1

Respuesta :

ayah1
ayah1 ayah1
  • 01-10-2015
4x - (9 - 3x) = 8x - 1

4x - (9) - -(3x) = 8x - 1

4x - 9 + 3x = 8x - 1

7x - 9  = 8x - 1        (-8x from each side)

-x - 9 = -1                (+9 to each)

-x = 8                     (divide -1 from each side)

x = -8
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