You can put this solution on YOUR website! I don't know if it was 5 degrees more or less than the larger angle so I worked it out both ways.
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x + 4x + 5 = 180 degrees
5x = 175 degrees.
x = 35 degrees.
35(4) = 140 + 5 = 145 degrees.
145 + 35 = 180 degrees
This does check.
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x + 4x - 5 = 180 degrees
5x = 185 degrees
x = 37 degrees.
37(4) = 148 - 5 = 143 degress.
143 + 37 = 180 degrees.
This does check also.
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Cleomenius.