(2x+x)=8x

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Solution for (2x+x)=8x equation: 


Simplifying
(2x + x) = 8x

Combine like terms: 2x + x = 3x
(3x) = 8x
(3x) = 8x

Solving
(3x) = 8x

Solving for variable 'x'.

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

Add '-8x' to each side of the equation.
(3x) + -8x = 8x + -8x

Combine like terms: (3x) + -8x = -5x
-5x = 8x + -8x

Combine like terms: 8x + -8x = 0
-5x = 0

Divide each side by '-5'.
x = 0

Simplifying
x = 0

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