7ab+4+2ab=

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Solution for 7ab+4+2ab= equation:


Simplifying
7ab + 4 + 2ab = 0

Reorder the terms:
4 + 7ab + 2ab = 0

Combine like terms: 7ab + 2ab = 9ab
4 + 9ab = 0

Solving
4 + 9ab = 0

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + -4 + 9ab = 0 + -4

Combine like terms: 4 + -4 = 0
0 + 9ab = 0 + -4
9ab = 0 + -4

Combine like terms: 0 + -4 = -4
9ab = -4

Divide each side by '9b'.
a = -0.4444444444b-1

Simplifying
a = -0.4444444444b-1

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