jjjjj303 jjjjj303
  • 09-11-2018
  • Mathematics
contestada

what is 3x-20+x=180 in steps

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yuzaza8 yuzaza8
  • 09-11-2018

3x-20+x=180

4x-20=180

4x-20+20=180+20

4x=200

x=50

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