3x+9y-18=0

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Solution for 3x+9y-18=0 equation:


Simplifying
3x + 9y + -18 = 0

Reorder the terms:
-18 + 3x + 9y = 0

Solving
-18 + 3x + 9y = 0

Solving for variable 'x'.

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

Add '18' to each side of the equation.
-18 + 3x + 18 + 9y = 0 + 18

Reorder the terms:
-18 + 18 + 3x + 9y = 0 + 18

Combine like terms: -18 + 18 = 0
0 + 3x + 9y = 0 + 18
3x + 9y = 0 + 18

Combine like terms: 0 + 18 = 18
3x + 9y = 18

Add '-9y' to each side of the equation.
3x + 9y + -9y = 18 + -9y

Combine like terms: 9y + -9y = 0
3x + 0 = 18 + -9y
3x = 18 + -9y

Divide each side by '3'.
x = 6 + -3y

Simplifying
x = 6 + -3y

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