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hannahvloitos hannahvloitos
  • 05-02-2017
  • Mathematics
Answered

3(r-6)+2=4(r+2)-21 find the value of x and show steps

Verified Answer :

doctorwhomaniam
doctorwhomaniam doctorwhomaniam
  • 05-02-2017

3(r-6) +2 = 4(r+2) -21
3r - 6r +2 = 4r +8 -21
     -3r +2 = 4r -13
            2 = 7r -13
          15 = 7r
             r = \(\frac{15}{2}\)
             r = 7.5

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