What is the mistake in this equation?

2 - 5 = 7

i am giving away a free 50 points for a yt video and this is like the most simple answer. if you can tell me the mistake, you'll get the 50 points and i'll mark you brainiest.

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?