2x+(20-y)=

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Solution for 2x+(20-y)= equation: 


Simplifying
2x + (20 + -1y) = 0

Remove parenthesis around (20 + -1y)
2x + 20 + -1y = 0

Reorder the terms:
20 + 2x + -1y = 0

Solving
20 + 2x + -1y = 0

Solving for variable 'x'.

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

Add '-20' to each side of the equation.
20 + 2x + -20 + -1y = 0 + -20

Reorder the terms:
20 + -20 + 2x + -1y = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 2x + -1y = 0 + -20
2x + -1y = 0 + -20

Combine like terms: 0 + -20 = -20
2x + -1y = -20

Add 'y' to each side of the equation.
2x + -1y + y = -20 + y

Combine like terms: -1y + y = 0
2x + 0 = -20 + y
2x = -20 + y

Divide each side by '2'.
x = -10 + 0.5y

Simplifying
x = -10 + 0.5y

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