-4x-2y=30

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Solution for -4x-2y=30 equation: 


Simplifying
-4x + -2y = 30

Solving
-4x + -2y = 30

Solving for variable 'x'.

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

Add '2y' to each side of the equation.
-4x + -2y + 2y = 30 + 2y

Combine like terms: -2y + 2y = 0
-4x + 0 = 30 + 2y
-4x = 30 + 2y

Divide each side by '-4'.
x = -7.5 + -0.5y

Simplifying
x = -7.5 + -0.5y

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