7ab+ab-2ab+6=

Solution for 7ab+ab-2ab+6= equation:

Simplifying
7ab + ab + -2ab + 6 = 0

Reorder the terms:
6 + 7ab + ab + -2ab = 0

Combine like terms: 7ab + ab = 8ab
6 + 8ab + -2ab = 0

Combine like terms: 8ab + -2ab = 6ab
6 + 6ab = 0

Solving
6 + 6ab = 0

Solving for variable 'a'.

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

Add '-6' to each side of the equation.
6 + -6 + 6ab = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 6ab = 0 + -6
6ab = 0 + -6

Combine like terms: 0 + -6 = -6
6ab = -6

Divide each side by '6b'.
a = -1b-1

Simplifying
a = -1b-1