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  • 29-09-2015
  • Mathematics
Answered

What is 3x - 4 + 20 =55

Verified Answer :

Anonymous Anonymous
  • 29-09-2015

So first subtract 20 from both sides of the equation.
3x-4=35
now add 4 to both sides.
3x=39
now divide both sides by
x=13

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