3x+7y+4x=

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Solution for 3x+7y+4x= equation: 


Simplifying
3x + 7y + 4x = 0

Reorder the terms:
3x + 4x + 7y = 0

Combine like terms: 3x + 4x = 7x
7x + 7y = 0

Solving
7x + 7y = 0

Solving for variable 'x'.

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

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

Combine like terms: 7y + -7y = 0
7x + 0 = 0 + -7y
7x = 0 + -7y
Remove the zero:
7x = -7y

Divide each side by '7'.
x = -1y

Simplifying
x = -1y

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