Question

Find the value of x​

Answer 1

Answer:

30+(2x-10)+(x+10)+15=180 (sum of angle on a straight line )

=>45+2x-10+x+10=180

=>45+3x=180

=>3x=180-45

=>3x=135

=>x=135/3

=>x=45

Hence the value of x is 45.