ab+2=c-1

Solution for ab+2=c-1 equation:

Simplifying
ab + 2 = c + -1

Reorder the terms:
2 + ab = c + -1

Reorder the terms:
2 + ab = -1 + c

Solving
2 + ab = -1 + c

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Add '-2' to each side of the equation.
2 + -2 + ab = -1 + -2 + c

Combine like terms: 2 + -2 = 0
0 + ab = -1 + -2 + c
ab = -1 + -2 + c

Combine like terms: -1 + -2 = -3
ab = -3 + c

Divide each side by 'b'.
a = -3b-1 + b-1c

Simplifying
a = -3b-1 + b-1c