3x+8y+13y=

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Solution for 3x+8y+13y= equation: 


Simplifying
3x + 8y + 13y = 0

Combine like terms: 8y + 13y = 21y
3x + 21y = 0

Solving
3x + 21y = 0

Solving for variable 'x'.

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

Add '-21y' to each side of the equation.
3x + 21y + -21y = 0 + -21y

Combine like terms: 21y + -21y = 0
3x + 0 = 0 + -21y
3x = 0 + -21y
Remove the zero:
3x = -21y

Divide each side by '3'.
x = -7y

Simplifying
x = -7y

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