5x+12x+3x+9=15

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Solution for 5x+12x+3x+9=15 equation:


Simplifying
5x + 12x + 3x + 9 = 15

Reorder the terms:
9 + 5x + 12x + 3x = 15

Combine like terms: 5x + 12x = 17x
9 + 17x + 3x = 15

Combine like terms: 17x + 3x = 20x
9 + 20x = 15

Solving
9 + 20x = 15

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 20x = 15 + -9

Combine like terms: 9 + -9 = 0
0 + 20x = 15 + -9
20x = 15 + -9

Combine like terms: 15 + -9 = 6
20x = 6

Divide each side by '20'.
x = 0.3

Simplifying
x = 0.3

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