Question

The measure of angle X is 9 degrees more than twice the measure of angle Y. If angle Upper X and angle Y are supplementary angles, find the measure of angle X .

How would I set this up to solve? This is where I am stuck at?
since they add to 180, and x = 2y+9,
2y+9 + y = 180
Solve for y, and then you can get x.

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