cmoney1590 cmoney1590
  • 16-09-2020
  • Mathematics
contestada

How do u do this problems 8x - 2 = -9 + 7x

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CSMedrano
CSMedrano CSMedrano
  • 16-09-2020

Answer:

x=-7

Step-by-step explanation:

[tex]8x - 2 = -9 + 7x\\\\8x-2-7x=-9+7x-7x\\\\(8x-7x)-2=-9+0\\\\x-2=-9\\\\x-2+2=-9+2\\\\x=-7[/tex]

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altyfaultyfacility altyfaultyfacility
  • 16-09-2020

Answer: -7

Step-by-step explanation:

8x - 2 = -9 + 7x

8x = -7 + 7x          Add 2 to both sides

x = -7                    Subtract 7x from both sides

Answer Link

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