a+4-b=2b-2

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Solution for a+4-b=2b-2 equation:


Simplifying
a + 4 + -1b = 2b + -2

Reorder the terms:
4 + a + -1b = 2b + -2

Reorder the terms:
4 + a + -1b = -2 + 2b

Solving
4 + a + -1b = -2 + 2b

Solving for variable 'a'.

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

Add '-4' to each side of the equation.
4 + a + -4 + -1b = -2 + -4 + 2b

Reorder the terms:
4 + -4 + a + -1b = -2 + -4 + 2b

Combine like terms: 4 + -4 = 0
0 + a + -1b = -2 + -4 + 2b
a + -1b = -2 + -4 + 2b

Combine like terms: -2 + -4 = -6
a + -1b = -6 + 2b

Add 'b' to each side of the equation.
a + -1b + b = -6 + 2b + b

Combine like terms: -1b + b = 0
a + 0 = -6 + 2b + b
a = -6 + 2b + b

Combine like terms: 2b + b = 3b
a = -6 + 3b

Simplifying
a = -6 + 3b

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