lmelissia1
lmelissia1 lmelissia1
  • 08-02-2017
  • Mathematics
contestada

I need help solving number one. I know x=50 but I'm not sure how to get it.

I need help solving number one I know x50 but Im not sure how to get it class=

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Blurryface25
Blurryface25 Blurryface25
  • 08-02-2017
3x-20=130
3x=130+20
3x=150
x=150÷3
x=50
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