A-b+a-2b=

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Solution for A-b+a-2b= equation:


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

Reorder the terms:
A + a + -1b + -2b = 0

Combine like terms: -1b + -2b = -3b
A + a + -3b = 0

Solving
A + a + -3b = 0

Solving for variable 'A'.

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

Add '-1a' to each side of the equation.
A + a + -1a + -3b = 0 + -1a

Combine like terms: a + -1a = 0
A + 0 + -3b = 0 + -1a
A + -3b = 0 + -1a
Remove the zero:
A + -3b = -1a

Add '3b' to each side of the equation.
A + -3b + 3b = -1a + 3b

Combine like terms: -3b + 3b = 0
A + 0 = -1a + 3b
A = -1a + 3b

Simplifying
A = -1a + 3b

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