(-5x+7.5y)-(-4x+3.3y)=

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Solution for (-5x+7.5y)-(-4x+3.3y)= equation:


Simplifying
(-5x + 7.5y) + -1(-4x + 3.3y) = 0

Remove parenthesis around (-5x + 7.5y)
-5x + 7.5y + -1(-4x + 3.3y) = 0
-5x + 7.5y + (-4x * -1 + 3.3y * -1) = 0
-5x + 7.5y + (4x + -3.3y) = 0

Reorder the terms:
-5x + 4x + 7.5y + -3.3y = 0

Combine like terms: -5x + 4x = -1x
-1x + 7.5y + -3.3y = 0

Combine like terms: 7.5y + -3.3y = 4.2y
-1x + 4.2y = 0

Solving
-1x + 4.2y = 0

Solving for variable 'x'.

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

Add '-4.2y' to each side of the equation.
-1x + 4.2y + -4.2y = 0 + -4.2y

Combine like terms: 4.2y + -4.2y = 0.0
-1x + 0.0 = 0 + -4.2y
-1x = 0 + -4.2y
Remove the zero:
-1x = -4.2y

Divide each side by '-1'.
x = 4.2y

Simplifying
x = 4.2y

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