12=1-2(x-1)

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Solution for 12=1-2(x-1) equation:


Simplifying
12 = 1 + -2(x + -1)

Reorder the terms:
12 = 1 + -2(-1 + x)
12 = 1 + (-1 * -2 + x * -2)
12 = 1 + (2 + -2x)

Combine like terms: 1 + 2 = 3
12 = 3 + -2x

Solving
12 = 3 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
12 + 2x = 3 + -2x + 2x

Combine like terms: -2x + 2x = 0
12 + 2x = 3 + 0
12 + 2x = 3

Add '-12' to each side of the equation.
12 + -12 + 2x = 3 + -12

Combine like terms: 12 + -12 = 0
0 + 2x = 3 + -12
2x = 3 + -12

Combine like terms: 3 + -12 = -9
2x = -9

Divide each side by '2'.
x = -4.5

Simplifying
x = -4.5

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