X+3x+(x-2)=12

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Solution for X+3x+(x-2)=12 equation:


Simplifying
X + 3x + (x + -2) = 12

Reorder the terms:
X + 3x + (-2 + x) = 12

Remove parenthesis around (-2 + x)
X + 3x + -2 + x = 12

Reorder the terms:
-2 + X + 3x + x = 12

Combine like terms: 3x + x = 4x
-2 + X + 4x = 12

Solving
-2 + X + 4x = 12

Solving for variable 'X'.

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

Add '2' to each side of the equation.
-2 + X + 2 + 4x = 12 + 2

Reorder the terms:
-2 + 2 + X + 4x = 12 + 2

Combine like terms: -2 + 2 = 0
0 + X + 4x = 12 + 2
X + 4x = 12 + 2

Combine like terms: 12 + 2 = 14
X + 4x = 14

Add '-4x' to each side of the equation.
X + 4x + -4x = 14 + -4x

Combine like terms: 4x + -4x = 0
X + 0 = 14 + -4x
X = 14 + -4x

Simplifying
X = 14 + -4x

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