kyerinm kyerinm
  • 21-08-2020
  • Mathematics
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4. If mZDEF = 3x +1 and mZDEG = 5x +19, find the value of x.

4 If mZDEF 3x 1 and mZDEG 5x 19 find the value of x class=
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carolineL324
carolineL324 carolineL324
  • 21-08-2020

Answer:

x=-9

3x+1=5x+19

    -1        -1  

--------------------

3x=5x+18

-5x -5x

----------

-2x=18

x=-9

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