X=h/4 -3y/4 hope that helped
10+5x=7x-4
1. simplify 7x - 5x
10=2x-4
2. add four to both sides
10+4=2x
+ 4 4
14=2x
3. divide 14 to both sides
14=2x
x=7
Answer:
By using the one the straight line degrees if your doing it for a circle or 180 degrees for a triangle.