Question

PLEASEEEE HELPP MEEE WITHHH NUMBERSSS 9 AND 10

PLEASEEE HELPPP MEEEEE!!!!!!!! I NEED A GREAT EXPLANATION PLSSSSSSSSS
ASAPPPPPPPPPP!!!!!!!!!

Answer 1

1st one is 89 because you add them then subtract them by 180.

2nd one is x=35 because 2x+x+13+62=180 and you combine like terms.

Answer 2

9) <4=89

10) x=35

Explanation:

9) 52+39=91

180-91=89

10) 2x+x+13+62=180

3x+75=180

-75 -75

3x=105

105/3=35