3x+7y+9-x+5y=

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Solution for 3x+7y+9-x+5y= equation:


Simplifying
3x + 7y + 9 + -1x + 5y = 0

Reorder the terms:
9 + 3x + -1x + 7y + 5y = 0

Combine like terms: 3x + -1x = 2x
9 + 2x + 7y + 5y = 0

Combine like terms: 7y + 5y = 12y
9 + 2x + 12y = 0

Solving
9 + 2x + 12y = 0

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + 2x + -9 + 12y = 0 + -9

Reorder the terms:
9 + -9 + 2x + 12y = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 2x + 12y = 0 + -9
2x + 12y = 0 + -9

Combine like terms: 0 + -9 = -9
2x + 12y = -9

Add '-12y' to each side of the equation.
2x + 12y + -12y = -9 + -12y

Combine like terms: 12y + -12y = 0
2x + 0 = -9 + -12y
2x = -9 + -12y

Divide each side by '2'.
x = -4.5 + -6y

Simplifying
x = -4.5 + -6y

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