4-2a=a-5

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Solution for 4-2a=a-5 equation:


Simplifying
4 + -2a = a + -5

Reorder the terms:
4 + -2a = -5 + a

Solving
4 + -2a = -5 + a

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.
4 + -2a + -1a = -5 + a + -1a

Combine like terms: -2a + -1a = -3a
4 + -3a = -5 + a + -1a

Combine like terms: a + -1a = 0
4 + -3a = -5 + 0
4 + -3a = -5

Add '-4' to each side of the equation.
4 + -4 + -3a = -5 + -4

Combine like terms: 4 + -4 = 0
0 + -3a = -5 + -4
-3a = -5 + -4

Combine like terms: -5 + -4 = -9
-3a = -9

Divide each side by '-3'.
a = 3

Simplifying
a = 3

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