(12x-9)+(2x+21)=360

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Solution for (12x-9)+(2x+21)=360 equation:


Simplifying
(12x + -9) + (2x + 21) = 360

Reorder the terms:
(-9 + 12x) + (2x + 21) = 360

Remove parenthesis around (-9 + 12x)
-9 + 12x + (2x + 21) = 360

Reorder the terms:
-9 + 12x + (21 + 2x) = 360

Remove parenthesis around (21 + 2x)
-9 + 12x + 21 + 2x = 360

Reorder the terms:
-9 + 21 + 12x + 2x = 360

Combine like terms: -9 + 21 = 12
12 + 12x + 2x = 360

Combine like terms: 12x + 2x = 14x
12 + 14x = 360

Solving
12 + 14x = 360

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 + -12 + 14x = 360 + -12

Combine like terms: 12 + -12 = 0
0 + 14x = 360 + -12
14x = 360 + -12

Combine like terms: 360 + -12 = 348
14x = 348

Divide each side by '14'.
x = 24.85714286

Simplifying
x = 24.85714286

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