Answer: a = -3
Step-by-step explanation:
first, we remove the parentheses.
4 - 9/5a - 12/5 = 7
then, we calculate.
8/5 - 9/5a = 7
next, we multiply both sides.
8 - 9a = 35
then, we move the constant to the right.
-9a = 35 - 8
next, we calculate.
-9a = 27
finally, we divide both sides.
a = -3
