51+x=3(9+x)

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Solution for 51+x=3(9+x) equation:


Simplifying
51 + x = 3(9 + x)
51 + x = (9 * 3 + x * 3)
51 + x = (27 + 3x)

Solving
51 + x = 27 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
51 + x + -3x = 27 + 3x + -3x

Combine like terms: x + -3x = -2x
51 + -2x = 27 + 3x + -3x

Combine like terms: 3x + -3x = 0
51 + -2x = 27 + 0
51 + -2x = 27

Add '-51' to each side of the equation.
51 + -51 + -2x = 27 + -51

Combine like terms: 51 + -51 = 0
0 + -2x = 27 + -51
-2x = 27 + -51

Combine like terms: 27 + -51 = -24
-2x = -24

Divide each side by '-2'.
x = 12

Simplifying
x = 12

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