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) + -1(a + -2)

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

Remove parenthesis around (-2 + a)
a + -2 + a = (a + 4) + -1(a + -2)

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

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

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

Remove parenthesis around (4 + a)
-2 + 2a = 4 + a + -1(a + -2)

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

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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