10x+7 + 7x+3 = 180
3x-5 + 6x-40 = 90
I think that is how you set it up.
Find x.
Supplementary angles with measures 10x+7 and 7x+3.
Complementary angles with measures 3x-5 and 6x-40.
2 answers
10x+7+7x+3