ktdfcizumf ktdfcizumf
  • 06-11-2020
  • Mathematics
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Given:3x-4=8 prove x=4

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dayeabriannaroowld4f
dayeabriannaroowld4f dayeabriannaroowld4f
  • 06-11-2020

Hi!

Okay, so to prove that x = 4, all you have to do is insert 4 into the equation by replacing x with 4.

3x-4=8

3(4)-4=8

Now solve:

12-4=8

8=8

This is true, so x does equal 4.

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