(9ab-2a+7)-(5ab-1)=

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Solution for (9ab-2a+7)-(5ab-1)= equation:


Simplifying
(9ab + -2a + 7) + -1(5ab + -1) = 0

Reorder the terms:
(7 + -2a + 9ab) + -1(5ab + -1) = 0

Remove parenthesis around (7 + -2a + 9ab)
7 + -2a + 9ab + -1(5ab + -1) = 0

Reorder the terms:
7 + -2a + 9ab + -1(-1 + 5ab) = 0
7 + -2a + 9ab + (-1 * -1 + 5ab * -1) = 0
7 + -2a + 9ab + (1 + -5ab) = 0

Reorder the terms:
7 + 1 + -2a + 9ab + -5ab = 0

Combine like terms: 7 + 1 = 8
8 + -2a + 9ab + -5ab = 0

Combine like terms: 9ab + -5ab = 4ab
8 + -2a + 4ab = 0

Solving
8 + -2a + 4ab = 0

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -2a + -8 + 4ab = 0 + -8

Reorder the terms:
8 + -8 + -2a + 4ab = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2a + 4ab = 0 + -8
-2a + 4ab = 0 + -8

Combine like terms: 0 + -8 = -8
-2a + 4ab = -8

Reorder the terms:
8 + -2a + 4ab = -8 + 8

Combine like terms: -8 + 8 = 0
8 + -2a + 4ab = 0

Factor out the Greatest Common Factor (GCF), '2'.
2(4 + -1a + 2ab) = 0

Ignore the factor 2.

Subproblem 1

Set the factor '(4 + -1a + 2ab)' equal to zero and attempt to solve: Simplifying 4 + -1a + 2ab = 0 Solving 4 + -1a + 2ab = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -1a + -4 + 2ab = 0 + -4 Reorder the terms: 4 + -4 + -1a + 2ab = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1a + 2ab = 0 + -4 -1a + 2ab = 0 + -4 Combine like terms: 0 + -4 = -4 -1a + 2ab = -4 The solution to this equation could not be determined. This subproblem is being ignored because a solution could not be determined. The solution to this equation could not be determined.

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