66-x=54

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Solution for 66-x=54 equation: 


Simplifying
66 + -1x = 54

Solving
66 + -1x = 54

Solving for variable 'x'.

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

Add '-66' to each side of the equation.
66 + -66 + -1x = 54 + -66

Combine like terms: 66 + -66 = 0
0 + -1x = 54 + -66
-1x = 54 + -66

Combine like terms: 54 + -66 = -12
-1x = -12

Divide each side by '-1'.
x = 12

Simplifying
x = 12

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