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

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Solution for a+(a-2)=2a-(a+1) equation:


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

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

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

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

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

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

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

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

Solving
-2 + 2a = -1 + 1a

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.
-2 + 2a + -1a = -1 + 1a + -1a

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

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

Add '2' to each side of the equation.
-2 + 2 + 1a = -1 + 2

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

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

Divide each side by '1'.
a = 1

Simplifying
a = 1

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