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Please help me with this

Please help me with this-example-1

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They are same side exterior angles meaning they are supplementary and supplementary means they add up to 180 so.....

2y+34+74=180
2y+108=180
2y=72
y=36

Substitute 36: 2(36)+34=106

106+74=180
180=180
User Santhosh Divakar
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