2y + 4 + x = 90
2y + 4 + 3y + x = 180
5y + x + 4 = 180
x = 176 - 5y
2y + 4 + (176 - 5y) = 90
-3y + 180 = 90
-3y = -90
y = 30
x = 176 - 5(30)
x = 26 degrees
Hope this helps! :)
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