15x-18-2y=3x+y

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Solution for 15x-18-2y=3x+y equation:


Simplifying
15x + -18 + -2y = 3x + y

Reorder the terms:
-18 + 15x + -2y = 3x + y

Solving
-18 + 15x + -2y = 3x + y

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-18 + 15x + -3x + -2y = 3x + -3x + y

Combine like terms: 15x + -3x = 12x
-18 + 12x + -2y = 3x + -3x + y

Combine like terms: 3x + -3x = 0
-18 + 12x + -2y = 0 + y
-18 + 12x + -2y = y

Add '18' to each side of the equation.
-18 + 12x + 18 + -2y = 18 + y

Reorder the terms:
-18 + 18 + 12x + -2y = 18 + y

Combine like terms: -18 + 18 = 0
0 + 12x + -2y = 18 + y
12x + -2y = 18 + y

Add '2y' to each side of the equation.
12x + -2y + 2y = 18 + y + 2y

Combine like terms: -2y + 2y = 0
12x + 0 = 18 + y + 2y
12x = 18 + y + 2y

Combine like terms: y + 2y = 3y
12x = 18 + 3y

Divide each side by '12'.
x = 1.5 + 0.25y

Simplifying
x = 1.5 + 0.25y

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