Answer:
a = 22
Step-by-step explanation:
To find a, divide each side by 1/2, or multiply by the reciprocal:
1/2a = 11
So, a = 22
because when isolate a you move 1/2 over with 11, and when you do that insted of multyplying 1/2 times a you divide 1/2 by 11
