X+4-3X=20

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Solution for X+4-3X=20 equation: 


Simplifying
X + 4 + -3X = 20

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

Combine like terms: X + -3X = -2X
4 + -2X = 20

Solving
4 + -2X = 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 + -4 + -2X = 20 + -4

Combine like terms: 4 + -4 = 0
0 + -2X = 20 + -4
-2X = 20 + -4

Combine like terms: 20 + -4 = 16
-2X = 16

Divide each side by '-2'.
X = -8

Simplifying
X = -8

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