I need help with corrections on an Geometry Quiz!?

Amanda

New member
I took photos of the problem with my iPhone, because I can not explain the drawings, haha. I hope you are able to read them! I need to find the value of X for each. Please provide work shown, and make an equation. MAKE SURE TO LOOK AT THE PICTURES SO YOU CAN SEE THE ANGLES!

Problem #1:
http://img132.imageshack.us/i/442p.jpg/

-If you cannot read it well, the numbers on the left say (x+90)° and on the right, 4x°.

problem #2:
http://img196.imageshack.us/i/523535.jpg/

-The numbers on the left are.. (12x - 15)° and on the right, (3x + 45)°
 
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