18-72=x

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Solution for 18-72=x equation:


Simplifying
18 + -72 = x

Combine like terms: 18 + -72 = -54
-54 = x

Solving
-54 = x

Solving for variable 'x'.

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

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

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

Add '54' to each side of the equation.
-54 + 54 + -1x = 0 + 54

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

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

Divide each side by '-1'.
x = -54

Simplifying
x = -54

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