51-3x=9x+15

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Solution for 51-3x=9x+15 equation:


Simplifying
51 + -3x = 9x + 15

Reorder the terms:
51 + -3x = 15 + 9x

Solving
51 + -3x = 15 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
51 + -3x + -9x = 15 + 9x + -9x

Combine like terms: -3x + -9x = -12x
51 + -12x = 15 + 9x + -9x

Combine like terms: 9x + -9x = 0
51 + -12x = 15 + 0
51 + -12x = 15

Add '-51' to each side of the equation.
51 + -51 + -12x = 15 + -51

Combine like terms: 51 + -51 = 0
0 + -12x = 15 + -51
-12x = 15 + -51

Combine like terms: 15 + -51 = -36
-12x = -36

Divide each side by '-12'.
x = 3

Simplifying
x = 3

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