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Mathematics 11 Online
OpenStudy (anonymous):

I need math help!

OpenStudy (anonymous):

ganeshie8 (ganeshie8):

hint : supplementary angles add up to 180

ganeshie8 (ganeshie8):

since its given that, \(\angle 1\) and \(\angle 2\) are supplementary, they addup to 180 aswell \(\angle 1 + \angle 2 = 180\)

ganeshie8 (ganeshie8):

\(4y+7 + 9y + 4 = 180\) solve \(y\) furst

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