Question

-3a+2b=-3
solve for a

Answer 1

a = (3 + 2b) / 3

Explanation:

1) Move 2b to the right.

-3a + 2b = -3

-3a = -3 - 2b

2) Leave only a on the left.

a = (-3 - 2b) / (-3)

a = -(3 + 2b) / (-3)

a = (3 + 2b) / 3

Answer 2

-3a=-3-2b
a=1+2/3b

Solution
a=1+2/3b