3.5(x+1.2y)+4(1.2x+1.5y)=

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Solution for 3.5(x+1.2y)+4(1.2x+1.5y)= equation: 


Simplifying
3.5(x + 1.2y) + 4(1.2x + 1.5y) = 0
(x * 3.5 + 1.2y * 3.5) + 4(1.2x + 1.5y) = 0
(3.5x + 4.2y) + 4(1.2x + 1.5y) = 0
3.5x + 4.2y + (1.2x * 4 + 1.5y * 4) = 0
3.5x + 4.2y + (4.8x + 6y) = 0

Reorder the terms:
3.5x + 4.8x + 4.2y + 6y = 0

Combine like terms: 3.5x + 4.8x = 8.3x
8.3x + 4.2y + 6y = 0

Combine like terms: 4.2y + 6y = 10.2y
8.3x + 10.2y = 0

Solving
8.3x + 10.2y = 0

Solving for variable 'x'.

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

Add '-10.2y' to each side of the equation.
8.3x + 10.2y + -10.2y = 0 + -10.2y

Combine like terms: 10.2y + -10.2y = 0.0
8.3x + 0.0 = 0 + -10.2y
8.3x = 0 + -10.2y
Remove the zero:
8.3x = -10.2y

Divide each side by '8.3'.
x = -1.228915663y

Simplifying
x = -1.228915663y

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