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r3t40

Sum of interior angles in quadlateral (trapezoid) is 360 degrees.

[tex]5y+2+8y+73+2y=360[/tex].

Simplify by collecting y terms and subtracting 73 on the other side.

[tex]15y+75=360\implies y=285/15=\boxed{19}[/tex].

Hope this helps.
You can use your calculator for this one bro. 5y+2 is 7y and then you can just multiply the rest and get your answer and label the answer with y.

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