Question

Need help with some practice ​

Answer 1

it is 51

Explanation:

Answer 2

51°

Explanation:

(x+6)°+(3x-30)°=180°=

x+6+3x-30=80

x-24+3x=180

4x-24=180

4x-24+24=180+24

4x=204

x=51°