SisiC2234 SisiC2234
  • 18-07-2018
  • Mathematics
contestada

-2x + 4(4 + x) = 2x - 4(6 - 3x)

Respuesta :

Аноним Аноним
  • 18-07-2018

Expand both sides to get


[tex] -2x + 16 + 4x = 2x - 24 + 18x [/tex]


Bring all terms involving the unkown on the left and all constant terms on the right:


[tex] -2x + 4x -2x - 18x= - 24 -16 [/tex]


Simplify both sides summing like terms:


[tex] - 18x= -40 [/tex]


Divide both sides by -18 to get



[tex] x= \frac{-40}{-18} = \frac{20}{9} [/tex]

Answer Link
UnBrain UnBrain
  • 18-07-2018

1. -2x+4(4+x)

Like Terms : (-2x+x)(4+4)

-(1)x+8


2. 2x - 4(6-3x)

Like terms: (2x-3x)(6-4)

-(1)x+2


The answer shows that the problems are not equal to each other.


Answer Link

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