Solve the equation 3x -1 =20

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asked May 2, 2016 192k views

1 Answer

Richard Hansen · Answer 1 · 2016-05-08T21:25:08+0000

although the answer from Cindie17 is correct you can also do this:
3x-1=20, subtract 1 from both sides and get 3x=21, then divide both sides by 3 so 3x/3= x and 21/3=7
thus, x=7

Solve the equation 3x -1 =20

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