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(180 - x) / (90 - x) = 7

Multiply each side by 7:

180 - x = 630 - 7x

Subtract 180 from each side:

- x = 450 - 7x

Add 7x to each side:

6x = 450

Divide each side by 6:

x = 75

The angle is 75 degrees.

Its supplement is 105 degrees.

Its complement is 15 degrees.

Check: 105/15 = 7 yay!

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Q: The ratio of the measure of a supplement angle to a complement of a same angle is 7 to 1 what are the measures of the 3 angles?
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