3x-3y-9x+9x+7=

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Solution for 3x-3y-9x+9x+7= equation:


Simplifying
3x + -3y + -9x + 9x + 7 = 0

Reorder the terms:
7 + 3x + -9x + 9x + -3y = 0

Combine like terms: 3x + -9x = -6x
7 + -6x + 9x + -3y = 0

Combine like terms: -6x + 9x = 3x
7 + 3x + -3y = 0

Solving
7 + 3x + -3y = 0

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + 3x + -7 + -3y = 0 + -7

Reorder the terms:
7 + -7 + 3x + -3y = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 3x + -3y = 0 + -7
3x + -3y = 0 + -7

Combine like terms: 0 + -7 = -7
3x + -3y = -7

Add '3y' to each side of the equation.
3x + -3y + 3y = -7 + 3y

Combine like terms: -3y + 3y = 0
3x + 0 = -7 + 3y
3x = -7 + 3y

Divide each side by '3'.
x = -2.333333333 + y

Simplifying
x = -2.333333333 + y

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