18x+4y=-28

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Solution for 18x+4y=-28 equation: 


Simplifying
18x + 4y = -28

Solving
18x + 4y = -28

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.
18x + 4y + -4y = -28 + -4y

Combine like terms: 4y + -4y = 0
18x + 0 = -28 + -4y
18x = -28 + -4y

Divide each side by '18'.
x = -1.555555556 + -0.2222222222y

Simplifying
x = -1.555555556 + -0.2222222222y

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