Question

Find the value of X

Answer 1

6x-40 = 90

6x =130

x =21.66

Answer 2

$\huge\mathtt\red{\underline{\underline{Answer}}}$

6x-40+5x+9+3x+15=180°

14x-16=180°

14x=180+16

14x=196°

$x = \frac{196}{14}$

x=14°