2(a-2)-a=4

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Solution for 2(a-2)-a=4 equation:


Simplifying
2(a + -2) + -1a = 4

Reorder the terms:
2(-2 + a) + -1a = 4
(-2 * 2 + a * 2) + -1a = 4
(-4 + 2a) + -1a = 4

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

Solving
-4 + 1a = 4

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 + 4 + 1a = 4 + 4

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

Combine like terms: 4 + 4 = 8
1a = 8

Divide each side by '1'.
a = 8

Simplifying
a = 8

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