3x-(0.4x+1.2y)=0

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Solution for 3x-(0.4x+1.2y)=0 equation:


Simplifying
3x + -1(0.4x + 1.2y) = 0
3x + (0.4x * -1 + 1.2y * -1) = 0
3x + (-0.4x + -1.2y) = 0

Combine like terms: 3x + -0.4x = 2.6x
2.6x + -1.2y = 0

Solving
2.6x + -1.2y = 0

Solving for variable 'x'.

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

Add '1.2y' to each side of the equation.
2.6x + -1.2y + 1.2y = 0 + 1.2y

Combine like terms: -1.2y + 1.2y = 0.0
2.6x + 0.0 = 0 + 1.2y
2.6x = 0 + 1.2y
Remove the zero:
2.6x = 1.2y

Divide each side by '2.6'.
x = 0.4615384615y

Simplifying
x = 0.4615384615y

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