(3x-2(x-1))-9=-(x-1)

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Solution for (3x-2(x-1))-9=-(x-1) equation:


Simplifying
(3x + -2(x + -1)) + -9 = -1(x + -1)

Reorder the terms:
(3x + -2(-1 + x)) + -9 = -1(x + -1)
(3x + (-1 * -2 + x * -2)) + -9 = -1(x + -1)
(3x + (2 + -2x)) + -9 = -1(x + -1)

Reorder the terms:
(2 + 3x + -2x) + -9 = -1(x + -1)

Combine like terms: 3x + -2x = 1x
(2 + 1x) + -9 = -1(x + -1)

Remove parenthesis around (2 + 1x)
2 + 1x + -9 = -1(x + -1)

Reorder the terms:
2 + -9 + 1x = -1(x + -1)

Combine like terms: 2 + -9 = -7
-7 + 1x = -1(x + -1)

Reorder the terms:
-7 + 1x = -1(-1 + x)
-7 + 1x = (-1 * -1 + x * -1)
-7 + 1x = (1 + -1x)

Solving
-7 + 1x = 1 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
-7 + 1x + x = 1 + -1x + x

Combine like terms: 1x + x = 2x
-7 + 2x = 1 + -1x + x

Combine like terms: -1x + x = 0
-7 + 2x = 1 + 0
-7 + 2x = 1

Add '7' to each side of the equation.
-7 + 7 + 2x = 1 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = 1 + 7
2x = 1 + 7

Combine like terms: 1 + 7 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

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