A-b-b-a=

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Solution for A-b-b-a= equation:


Simplifying
A + -1b + -1b + -1a = 0

Reorder the terms:
A + -1a + -1b + -1b = 0

Combine like terms: -1b + -1b = -2b
A + -1a + -2b = 0

Solving
A + -1a + -2b = 0

Solving for variable 'A'.

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

Add 'a' to each side of the equation.
A + -1a + a + -2b = 0 + a

Combine like terms: -1a + a = 0
A + 0 + -2b = 0 + a
A + -2b = 0 + a
Remove the zero:
A + -2b = a

Add '2b' to each side of the equation.
A + -2b + 2b = a + 2b

Combine like terms: -2b + 2b = 0
A + 0 = a + 2b
A = a + 2b

Simplifying
A = a + 2b

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