(9ab+5b-8)-(7ab-b-5)=

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Solution for (9ab+5b-8)-(7ab-b-5)= equation:


Simplifying
(9ab + 5b + -8) + -1(7ab + -1b + -5) = 0

Reorder the terms:
(-8 + 9ab + 5b) + -1(7ab + -1b + -5) = 0

Remove parenthesis around (-8 + 9ab + 5b)
-8 + 9ab + 5b + -1(7ab + -1b + -5) = 0

Reorder the terms:
-8 + 9ab + 5b + -1(-5 + 7ab + -1b) = 0
-8 + 9ab + 5b + (-5 * -1 + 7ab * -1 + -1b * -1) = 0
-8 + 9ab + 5b + (5 + -7ab + 1b) = 0

Reorder the terms:
-8 + 5 + 9ab + -7ab + 5b + 1b = 0

Combine like terms: -8 + 5 = -3
-3 + 9ab + -7ab + 5b + 1b = 0

Combine like terms: 9ab + -7ab = 2ab
-3 + 2ab + 5b + 1b = 0

Combine like terms: 5b + 1b = 6b
-3 + 2ab + 6b = 0

Solving
-3 + 2ab + 6b = 0

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 2ab + 3 + 6b = 0 + 3

Reorder the terms:
-3 + 3 + 2ab + 6b = 0 + 3

Combine like terms: -3 + 3 = 0
0 + 2ab + 6b = 0 + 3
2ab + 6b = 0 + 3

Combine like terms: 0 + 3 = 3
2ab + 6b = 3

Add '-6b' to each side of the equation.
2ab + 6b + -6b = 3 + -6b

Combine like terms: 6b + -6b = 0
2ab + 0 = 3 + -6b
2ab = 3 + -6b

Divide each side by '2b'.
a = 1.5b-1 + -3

Simplifying
a = 1.5b-1 + -3

Reorder the terms:
a = -3 + 1.5b-1

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