12(x-1)-3(x-1)=

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Solution for 12(x-1)-3(x-1)= equation:


Simplifying
12(x + -1) + -3(x + -1) = 0

Reorder the terms:
12(-1 + x) + -3(x + -1) = 0
(-1 * 12 + x * 12) + -3(x + -1) = 0
(-12 + 12x) + -3(x + -1) = 0

Reorder the terms:
-12 + 12x + -3(-1 + x) = 0
-12 + 12x + (-1 * -3 + x * -3) = 0
-12 + 12x + (3 + -3x) = 0

Reorder the terms:
-12 + 3 + 12x + -3x = 0

Combine like terms: -12 + 3 = -9
-9 + 12x + -3x = 0

Combine like terms: 12x + -3x = 9x
-9 + 9x = 0

Solving
-9 + 9x = 0

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 9x = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 9x = 0 + 9
9x = 0 + 9

Combine like terms: 0 + 9 = 9
9x = 9

Divide each side by '9'.
x = 1

Simplifying
x = 1

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