(5ab+7b)-(4ba+b)=

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Solution for (5ab+7b)-(4ba+b)= equation:


Simplifying
(5ab + 7b) + -1(4ba + b) = 0

Remove parenthesis around (5ab + 7b)
5ab + 7b + -1(4ba + b) = 0
5ab + 7b + (4ab * -1 + b * -1) = 0
5ab + 7b + (-4ab + -1b) = 0

Reorder the terms:
5ab + -4ab + 7b + -1b = 0

Combine like terms: 5ab + -4ab = 1ab
1ab + 7b + -1b = 0

Combine like terms: 7b + -1b = 6b
1ab + 6b = 0

Solving
1ab + 6b = 0

Solving for variable 'a'.

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

Add '-6b' to each side of the equation.
1ab + 6b + -6b = 0 + -6b

Combine like terms: 6b + -6b = 0
1ab + 0 = 0 + -6b
1ab = 0 + -6b
Remove the zero:
1ab = -6b

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

Simplifying
a = -6

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