Question

How many solutions does the equation have?
6-a=1/3(9a-18)

A. one solution

B. infinite solutions

C. no solution

Answer 1

A.
6-a=1/3(9a-18)
Distribute the 1/3: 6-a=3a-6
add the 6: 12-a=3a
add the a: 12=4a
Divide by 4: 3=a
That means there is only 1 solution.