Question

Please show your work!
I’ll appreciate it!

Answer 1

11.

x = 108°

y = 36

z = 24

12.

x = 5

Explanation:

11.

72 + x = 180

-72 -72

x = 108°

72 = 2y

÷2 ÷2

36 = y

3z + 108 = 180

-108 -108

3z = 72

÷3 ÷3

z = 24

12.

4x + 25 + 5x + 20 = 90

9x + 45 = 90

-45 -45

9x = 45

÷9 ÷9

x = 5

I hope this helps!