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

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


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

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

Remove parenthesis around (-1 + x)
-3x + -1 + x = -12

Reorder the terms:
-1 + -3x + x = -12

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

Solving
-1 + -2x = -12

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + -2x = -12 + 1

Combine like terms: -1 + 1 = 0
0 + -2x = -12 + 1
-2x = -12 + 1

Combine like terms: -12 + 1 = -11
-2x = -11

Divide each side by '-2'.
x = 5.5

Simplifying
x = 5.5

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