3x+4x+5y=

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Solution for 3x+4x+5y= equation: 


Simplifying
3x + 4x + 5y = 0

Combine like terms: 3x + 4x = 7x
7x + 5y = 0

Solving
7x + 5y = 0

Solving for variable 'x'.

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

Add '-5y' to each side of the equation.
7x + 5y + -5y = 0 + -5y

Combine like terms: 5y + -5y = 0
7x + 0 = 0 + -5y
7x = 0 + -5y
Remove the zero:
7x = -5y

Divide each side by '7'.
x = -0.7142857143y

Simplifying
x = -0.7142857143y

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