smitty83 smitty83
  • 28-08-2019
  • Mathematics
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SDAY:
ve the equation:
5x – 2(x + 7) = -5

Relax

Respuesta :

Аноним Аноним
  • 28-08-2019

5x – 2(x + 7) = -5

mutiply the bracket by -2

(-2)(x)= -2x

(-2)(7)= -14

5x-2x-14=-5

3x-14= -5

move -14 to the other side, sign changes from -14 to +14

3x-14+14= -5+14

3x= 9

divide by 3 for both sides

3x/3= 9/3

x= 3

Answer: x= 3

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