Answer
107 $^{\circ}$ and 73 $^{\circ}$
Work Step by Step
Supplementary angles sum up to 180 $^{\circ}$
10x + 7 + 7x + 3 = 180 $^{\circ}$
17x + 10 = 180$^{\circ}$
17x = 170$^{\circ}$
x = 10$^{\circ}$
10$\times$10 + 7 = 107 $^{\circ}$
7$\times$10 + 3 = 73 $^{\circ}$
