(2x-2y)+(5x+7y)=

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Solution for (2x-2y)+(5x+7y)= equation: 


Simplifying
(2x + -2y) + (5x + 7y) = 0

Remove parenthesis around (2x + -2y)
2x + -2y + (5x + 7y) = 0

Remove parenthesis around (5x + 7y)
2x + -2y + 5x + 7y = 0

Reorder the terms:
2x + 5x + -2y + 7y = 0

Combine like terms: 2x + 5x = 7x
7x + -2y + 7y = 0

Combine like terms: -2y + 7y = 5y
7x + 5y = 0

Solving
7x + 5y = 0

Solving for variable 'x'.

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

Add '-5y' to each side of the equation.
7x + 5y + -5y = 0 + -5y

Combine like terms: 5y + -5y = 0
7x + 0 = 0 + -5y
7x = 0 + -5y
Remove the zero:
7x = -5y

Divide each side by '7'.
x = -0.7142857143y

Simplifying
x = -0.7142857143y

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