3x=(x+y)

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Solution for 3x=(x+y) equation: 


Simplifying
3x = (x + y)

Remove parenthesis around (x + y)
3x = x + y

Solving
3x = x + y

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
3x + -1x = x + -1x + y

Combine like terms: 3x + -1x = 2x
2x = x + -1x + y

Combine like terms: x + -1x = 0
2x = 0 + y
2x = y

Divide each side by '2'.
x = 0.5y

Simplifying
x = 0.5y

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