A = 11
Step-by-step explanation:
For the problem on the LHS, the 2nd line should have been written as
5(A + 1) = 3(2A - 2)
Now let's solve for A:
5A + 5 = 6A - 6
-6A - 5. -6A. - 5
______________
-A = - 11
or A = 11
This is the correct solution and it will now work out right.
