Question

I need help with these two

Answer 1

#1
5x + 10 + 13x -10 = 180
18x = 180
x = 180/18
x =10

answer: value of x = 10

#2
21x +5 +37x +1 = 180
58x + 6 = 180
58x = 180 -6
58x = 174
x = 174/58
x = 3

so 37x + 1
= 37(3) + 1
=111 + 1
=112
answer: measure of the highlight angel = 112