Origami is the Japanese art of paper folding. The diagram below represents an unfolded paper Kabuto, a samurai warrior helmet. From the Kubota below, which of the following are pairs of congruent angles?

Analyze the solution below. 7 3 x = −2 7 3 x(3 7 ) = −2(3 7 ) x = − 6 7 what property was used to solve the equation? property of opposites division property of equality addition property of equality multiplication property of equality