Question

Does anyone know the answers to these and also how would I go about solving this for future questions

Answer 1

x = 17

x = 10

Explanation:

Straight angle = 180 degrees

7x-3+2x+ 30 = 180 degrees

9x +27 = 180

9x = 180 - 27

9x =153

x = 153 / 9

x = 17

Right angle = 90 degrees

6x - 7 + 3x + 7 = 90 degrees

9x = 90

x = 90/9

x = 10