Answer:
153 degrees is the measure of the supplementary angle
Its A. x=4
procedure: 3*equation1 - 2*equation2 ⇒ x=4
Answer:
7x-5 = 9
x = 2
Step-by-step explanation:
Let x be the number
7x-5 = 9
Add 5 to each side
7x-5+5 = 9+5
Divide each side by 7
7x = 14
7x/7 = 14/7
x=2
Answer:
concave pentagon I'm thinking