X+(7x-4y)-(2x-9y)=

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Solution for X+(7x-4y)-(2x-9y)= equation:


Simplifying
X + (7x + -4y) + -1(2x + -9y) = 0

Remove parenthesis around (7x + -4y)
X + 7x + -4y + -1(2x + -9y) = 0
X + 7x + -4y + (2x * -1 + -9y * -1) = 0
X + 7x + -4y + (-2x + 9y) = 0

Reorder the terms:
X + 7x + -2x + -4y + 9y = 0

Combine like terms: 7x + -2x = 5x
X + 5x + -4y + 9y = 0

Combine like terms: -4y + 9y = 5y
X + 5x + 5y = 0

Solving
X + 5x + 5y = 0

Solving for variable 'X'.

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

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

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

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

Combine like terms: 5y + -5y = 0
X + 0 = -5x + -5y
X = -5x + -5y

Simplifying
X = -5x + -5y

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