Answer:
x=126 x-30=96
Step-by-step explanation:
A pentagram has a total of 540 degrees. This means that you can put all of the angles into a single equation. 540=x-30+x-30+x-30+2x This goes to 540=5x-90 then solve algebraically. add 90 on both sides. 630=5x x=126 thus x-30 is equal to 126-30
