Question

Angle A=x+42 degree, angle B = 4x - 12 degree and angle C = 3x + 6 degree

Answer 1

A=x+42

B=4x-12

C=3x+6

A+B=(x+42)+(4x-12)

=x+42+4x-12

=5x+30

5x=30

x=30/5

x=6

Answer 2

Answer:

I only don't know friend sorry