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

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


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

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

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

Solving
4 + -2a = 1 + a

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

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

Combine like terms: a + -1a = 0
4 + -3a = 1 + 0
4 + -3a = 1

Add '-4' to each side of the equation.
4 + -4 + -3a = 1 + -4

Combine like terms: 4 + -4 = 0
0 + -3a = 1 + -4
-3a = 1 + -4

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

Divide each side by '-3'.
a = 1

Simplifying
a = 1

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