2a-4=5-a

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


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

Reorder the terms:
-4 + 2a = 5 + -1a

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

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

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

Combine like terms: -1a + a = 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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