7ab-3+4b=13-ab-4b

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Solution for 7ab-3+4b=13-ab-4b equation:


Simplifying
7ab + -3 + 4b = 13 + -1ab + -4b

Reorder the terms:
-3 + 7ab + 4b = 13 + -1ab + -4b

Solving
-3 + 7ab + 4b = 13 + -1ab + -4b

Solving for variable 'a'.

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

Add 'ab' to each side of the equation.
-3 + 7ab + ab + 4b = 13 + -1ab + ab + -4b

Combine like terms: 7ab + ab = 8ab
-3 + 8ab + 4b = 13 + -1ab + ab + -4b

Combine like terms: -1ab + ab = 0
-3 + 8ab + 4b = 13 + 0 + -4b
-3 + 8ab + 4b = 13 + -4b

Add '3' to each side of the equation.
-3 + 8ab + 3 + 4b = 13 + 3 + -4b

Reorder the terms:
-3 + 3 + 8ab + 4b = 13 + 3 + -4b

Combine like terms: -3 + 3 = 0
0 + 8ab + 4b = 13 + 3 + -4b
8ab + 4b = 13 + 3 + -4b

Combine like terms: 13 + 3 = 16
8ab + 4b = 16 + -4b

Add '-4b' to each side of the equation.
8ab + 4b + -4b = 16 + -4b + -4b

Combine like terms: 4b + -4b = 0
8ab + 0 = 16 + -4b + -4b
8ab = 16 + -4b + -4b

Combine like terms: -4b + -4b = -8b
8ab = 16 + -8b

Divide each side by '8b'.
a = 2b-1 + -1

Simplifying
a = 2b-1 + -1

Reorder the terms:
a = -1 + 2b-1

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