X+(-4)+3x=-20

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Solution for X+(-4)+3x=-20 equation: 


Simplifying
X + (-4) + 3x = -20
X + -4 + 3x = -20

Reorder the terms:
-4 + X + 3x = -20

Solving
-4 + X + 3x = -20

Solving for variable 'X'.

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

Add '4' to each side of the equation.
-4 + X + 4 + 3x = -20 + 4

Reorder the terms:
-4 + 4 + X + 3x = -20 + 4

Combine like terms: -4 + 4 = 0
0 + X + 3x = -20 + 4
X + 3x = -20 + 4

Combine like terms: -20 + 4 = -16
X + 3x = -16

Add '-3x' to each side of the equation.
X + 3x + -3x = -16 + -3x

Combine like terms: 3x + -3x = 0
X + 0 = -16 + -3x
X = -16 + -3x

Simplifying
X = -16 + -3x

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