0=3x+12x

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Solution for 0=3x+12x equation: 


Simplifying
0 = 3x + 12x

Combine like terms: 3x + 12x = 15x
0 = 15x

Solving
0 = 15x

Solving for variable 'x'.

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

Add '-15x' to each side of the equation.
0 + -15x = 15x + -15x
Remove the zero:
-15x = 15x + -15x

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

Divide each side by '-15'.
x = 0

Simplifying
x = 0

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