3X+4+X=20

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


Simplifying
3X + 4 + X = 20

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

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

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

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

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

Divide each side by '4'.
X = 4

Simplifying
X = 4

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