(9x+12)+(12x-6y)=180

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Solution for (9x+12)+(12x-6y)=180 equation:


Simplifying
(9x + 12) + (12x + -6y) = 180

Reorder the terms:
(12 + 9x) + (12x + -6y) = 180

Remove parenthesis around (12 + 9x)
12 + 9x + (12x + -6y) = 180

Remove parenthesis around (12x + -6y)
12 + 9x + 12x + -6y = 180

Combine like terms: 9x + 12x = 21x
12 + 21x + -6y = 180

Solving
12 + 21x + -6y = 180

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + 21x + -12 + -6y = 180 + -12

Reorder the terms:
12 + -12 + 21x + -6y = 180 + -12

Combine like terms: 12 + -12 = 0
0 + 21x + -6y = 180 + -12
21x + -6y = 180 + -12

Combine like terms: 180 + -12 = 168
21x + -6y = 168

Add '6y' to each side of the equation.
21x + -6y + 6y = 168 + 6y

Combine like terms: -6y + 6y = 0
21x + 0 = 168 + 6y
21x = 168 + 6y

Divide each side by '21'.
x = 8 + 0.2857142857y

Simplifying
x = 8 + 0.2857142857y

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