3x+5x+4y=

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


Simplifying
3x + 5x + 4y = 0

Combine like terms: 3x + 5x = 8x
8x + 4y = 0

Solving
8x + 4y = 0

Solving for variable 'x'.

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

Add '-4y' to each side of the equation.
8x + 4y + -4y = 0 + -4y

Combine like terms: 4y + -4y = 0
8x + 0 = 0 + -4y
8x = 0 + -4y
Remove the zero:
8x = -4y

Divide each side by '8'.
x = -0.5y

Simplifying
x = -0.5y

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