3x+30=12x-51

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Solution for 3x+30=12x-51 equation:


Simplifying
3x + 30 = 12x + -51

Reorder the terms:
30 + 3x = 12x + -51

Reorder the terms:
30 + 3x = -51 + 12x

Solving
30 + 3x = -51 + 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.
30 + 3x + -12x = -51 + 12x + -12x

Combine like terms: 3x + -12x = -9x
30 + -9x = -51 + 12x + -12x

Combine like terms: 12x + -12x = 0
30 + -9x = -51 + 0
30 + -9x = -51

Add '-30' to each side of the equation.
30 + -30 + -9x = -51 + -30

Combine like terms: 30 + -30 = 0
0 + -9x = -51 + -30
-9x = -51 + -30

Combine like terms: -51 + -30 = -81
-9x = -81

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

Simplifying
x = 9

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