3x+x=18x

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Solution for 3x+x=18x equation: 


Simplifying
3x + x = 18x

Combine like terms: 3x + x = 4x
4x = 18x

Solving
4x = 18x

Solving for variable 'x'.

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

Add '-18x' to each side of the equation.
4x + -18x = 18x + -18x

Combine like terms: 4x + -18x = -14x
-14x = 18x + -18x

Combine like terms: 18x + -18x = 0
-14x = 0

Divide each side by '-14'.
x = 0

Simplifying
x = 0

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