9x+y+3x+y=180

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Solution for 9x+y+3x+y=180 equation:


Simplifying
9x + y + 3x + y = 180

Reorder the terms:
9x + 3x + y + y = 180

Combine like terms: 9x + 3x = 12x
12x + y + y = 180

Combine like terms: y + y = 2y
12x + 2y = 180

Solving
12x + 2y = 180

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.
12x + 2y + -2y = 180 + -2y

Combine like terms: 2y + -2y = 0
12x + 0 = 180 + -2y
12x = 180 + -2y

Divide each side by '12'.
x = 15 + -0.1666666667y

Simplifying
x = 15 + -0.1666666667y

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