x+(x-1)=y

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Solution for x+(x-1)=y equation: 


Simplifying
x + (x + -1) = y

Reorder the terms:
x + (-1 + x) = y

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

Reorder the terms:
-1 + x + x = y

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

Solving
-1 + 2x = y

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 2x = 1 + y

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

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

Simplifying
x = 0.5 + 0.5y

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