Question

find x in the following picture​

Answer 1

Answer:

6x-40+5x+9+3x+15=180°

14x-16=180°

x=196°/14

x=14°

Hope it helps

Answer 2

Answer:

The given angles of the linear equation are -

↬6x-40°

↬5x+9°

↬3x+15

The sum of all the angles of a linear equation is always 180°

= 6x-40+5x+9+3x+15=180°

= 6x+5x+3x+-40+9+15=180

= 14x-16=180°

=14x=180+16

=14x=196°

=x=196÷14

=x= 14°

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Required Answer -

↬6x-40°= 84-40=44°

↬5x+9°= 70+9=79°

↬3x+15 = 42+15= 57°