x= one angle 90-x= complementary angle ( complementary angles adds up to 90 degrees) x=90-x+42.6 x=-x+132.6(combine like terms) x+x=-x+132.6+x(add x on both sides) x=66.3(divide each side by 2) 90-66.3=2 one angle is 42.6 complentary angle is 88 degrees
