(x-y)=0.5(x+y)

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Solution for (x-y)=0.5(x+y) equation:


Simplifying
(x + -1y) = 0.5(x + y)

Remove parenthesis around (x + -1y)
x + -1y = 0.5(x + y)
x + -1y = (x * 0.5 + y * 0.5)
x + -1y = (0.5x + 0.5y)

Solving
x + -1y = 0.5x + 0.5y

Solving for variable 'x'.

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

Add '-0.5x' to each side of the equation.
x + -0.5x + -1y = 0.5x + -0.5x + 0.5y

Combine like terms: x + -0.5x = 0.5x
0.5x + -1y = 0.5x + -0.5x + 0.5y

Combine like terms: 0.5x + -0.5x = 0.0
0.5x + -1y = 0.0 + 0.5y
0.5x + -1y = 0.5y

Add 'y' to each side of the equation.
0.5x + -1y + y = 0.5y + y

Combine like terms: -1y + y = 0
0.5x + 0 = 0.5y + y
0.5x = 0.5y + y

Combine like terms: 0.5y + y = 1.5y
0.5x = 1.5y

Divide each side by '0.5'.
x = 3y

Simplifying
x = 3y

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