a+a-2=a+4-a+2

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


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

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

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

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

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

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

Solving
-2 + 2a = 6

Solving for variable 'a'.

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

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

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

Combine like terms: 6 + 2 = 8
2a = 8

Divide each side by '2'.
a = 4

Simplifying
a = 4

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