They did not have that many things but could do but a lot that they cant.
They could ask states to fund war, request financial contributions, called requisitions. Also something to know is that the states obliged to contribute with finance but they rarely did .
The Gov on the other hand could not regulate trade with stats, could not collect tax, could not enforce laws.
1.3x - 2 - (3.3x + 5) = 2x + 1
1.3x - 2 - 3.3x - 5 = 2x + 1
-2x - 7 = 2x + 1
-7 = 4x + 1
-8 = 4x
x = -2