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Posted by **mathishard** on Saturday, June 4, 2011 at 1:40am.

ten less than three times the complement of an angle is it supplement.

find the measure of the supplement?

- math geo please help? -
**drwls**, Saturday, June 4, 2011 at 1:52amWrite that as an equation. Let x be "the angle", so 180 -x will be the supplement.

The complement of x is 90-x

Your statement can be written:

3*(90 - x) -10 = 180 - x

Now solve that.

260 -3x = 180 - x

2x = 80

x = 40

So, what is the supplement of x?

- math geo please help? -
**mathishard**, Sunday, June 5, 2011 at 6:21pmsupplement of x is 140?

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