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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

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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