Answer:
6
Step-by-step explanation:
1. get rid of parentheses: 12x -6 = 10x +6
2. group like terns together: 12x-10x = 6+6
3. simplify: 2x = 12
4. divide both sides by 2: x=6
Answer,a and b, sorry if they are wrong
Answer:
A=150
Step-by-step explanation:
you can split the shape into a square and triangle. the square's area is 15 x 6 = 90. the triangles area is (1/2) (14-6) (15)= 60. then you add them together and get 150