Question 621802
5x+12-4x-14=22
9x+12-14=22
9x+-2=22
   +2=+2
9x=24 ************** OK to here
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9x/3=24/3 This is not wrong
--> 3x = 8
3x/3 = 8/3
x = 8/3
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However:
5x+12-4x-14=22
9x+12-14=22  ********* not 9x
x+12-14 = 22
x - 2 = 22
x = 24