antmanz antmanz
  • 06-12-2016
  • Mathematics
contestada

3x + 7 = 5x - 2. Show your work please

Respuesta :

drakearianna97 drakearianna97
  • 06-12-2016
3x+7=5x−2

Step 1: Subtract 5x from both sides.

3x+7−5x=5x−2−5x
−2x+7=−2

Step 2: Subtract 7 from both sides.

−2x+7−7=−2−7−2x=−9

Step 3: Divide both sides by -2.

−2x/−2=−9/−2x=9/2

Answer:x=9/2
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