3x=300+12x

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Solution for 3x=300+12x equation: 


Simplifying
3x = 300 + 12x

Solving
3x = 300 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
3x + -12x = 300 + 12x + -12x

Combine like terms: 3x + -12x = -9x
-9x = 300 + 12x + -12x

Combine like terms: 12x + -12x = 0
-9x = 300 + 0
-9x = 300

Divide each side by '-9'.
x = -33.33333333

Simplifying
x = -33.33333333

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