Question

7.
The value of 'x' if (x + 10) and (3x + 50) form a linear pair is
a) 60°
b) 700
c) 50°
d) 30°​

Answer 1

Answer:

X+10+50+3x=180

60+4x=180

X=30

Answer 2

Answer:

x+10+3x+50=180

4x+60=180

4x=120

x=120/4

x=30

option d is your answer