dgwfgk3055 dgwfgk3055
  • 20-04-2020
  • Mathematics
contestada

4x + 5x + 12 = -6 (given)
9x + 12 = -6 (simplify)
9x = -18 (subtraction)
x = -2 (addition)
Which reason is incorrect?

Respuesta :

nuggetbutt
nuggetbutt nuggetbutt
  • 20-04-2020
The last one is division, not addition.
They’re dividing both sides by 9.
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