12x+9y-7x+8y=

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Solution for 12x+9y-7x+8y= equation:


Simplifying
12x + 9y + -7x + 8y = 0

Reorder the terms:
12x + -7x + 9y + 8y = 0

Combine like terms: 12x + -7x = 5x
5x + 9y + 8y = 0

Combine like terms: 9y + 8y = 17y
5x + 17y = 0

Solving
5x + 17y = 0

Solving for variable 'x'.

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

Add '-17y' to each side of the equation.
5x + 17y + -17y = 0 + -17y

Combine like terms: 17y + -17y = 0
5x + 0 = 0 + -17y
5x = 0 + -17y
Remove the zero:
5x = -17y

Divide each side by '5'.
x = -3.4y

Simplifying
x = -3.4y

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