(12x+6y)+9x-8(45+15)=453

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Solution for (12x+6y)+9x-8(45+15)=453 equation:


Simplifying
(12x + 6y) + 9x + -8(45 + 15) = 453

Remove parenthesis around (12x + 6y)
12x + 6y + 9x + -8(45 + 15) = 453

Combine like terms: 45 + 15 = 60
12x + 6y + 9x + -8(60) = 453

Multiply -8 * 60
12x + 6y + 9x + -480 = 453

Reorder the terms:
-480 + 12x + 9x + 6y = 453

Combine like terms: 12x + 9x = 21x
-480 + 21x + 6y = 453

Solving
-480 + 21x + 6y = 453

Solving for variable 'x'.

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

Add '480' to each side of the equation.
-480 + 21x + 480 + 6y = 453 + 480

Reorder the terms:
-480 + 480 + 21x + 6y = 453 + 480

Combine like terms: -480 + 480 = 0
0 + 21x + 6y = 453 + 480
21x + 6y = 453 + 480

Combine like terms: 453 + 480 = 933
21x + 6y = 933

Add '-6y' to each side of the equation.
21x + 6y + -6y = 933 + -6y

Combine like terms: 6y + -6y = 0
21x + 0 = 933 + -6y
21x = 933 + -6y

Divide each side by '21'.
x = 44.42857143 + -0.2857142857y

Simplifying
x = 44.42857143 + -0.2857142857y

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