Answer:
3. x=90
6. X= 180-120
X=60
Step-by-step explanation:
hope this helps
Answer:

Step-by-step explanation:
Given Equation:

Solving the bracket on L.H.S

Taking the terms of 'x' to one side and the constants to other side

The value of 'x' after solving the equation is:

There is no answer you did everything? :/