a+b=2a-4

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


Simplifying
a + b = 2a + -4

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

Solving
a + b = -4 + 2a

Solving for variable 'a'.

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

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

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

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

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

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

Divide each side by '-1'.
a = 4 + b

Simplifying
a = 4 + b

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