12-2x=51

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Solution for 12-2x=51 equation: 


Simplifying
12 + -2x = 51

Solving
12 + -2x = 51

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + -2x = 51 + -12

Combine like terms: 12 + -12 = 0
0 + -2x = 51 + -12
-2x = 51 + -12

Combine like terms: 51 + -12 = 39
-2x = 39

Divide each side by '-2'.
x = -19.5

Simplifying
x = -19.5

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