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  • 19-04-2017
  • Mathematics
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What is the value of x?

What is the value of x class=

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irspow
irspow irspow
  • 19-04-2017
Since these are supplementary angles  (two angles which sum to 180°) we can say:

4x+x=180  combine like terms on left side

5x=180  divide both sides by 5

x=36°
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