3x+x=y-18

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Solution for 3x+x=y-18 equation: 


Simplifying
3x + x = y + -18

Combine like terms: 3x + x = 4x
4x = y + -18

Reorder the terms:
4x = -18 + y

Solving
4x = -18 + y

Solving for variable 'x'.

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

Divide each side by '4'.
x = -4.5 + 0.25y

Simplifying
x = -4.5 + 0.25y

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