55-x=21

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Solution for 55-x=21 equation: 


Simplifying
55 + -1x = 21

Solving
55 + -1x = 21

Solving for variable 'x'.

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

Add '-55' to each side of the equation.
55 + -55 + -1x = 21 + -55

Combine like terms: 55 + -55 = 0
0 + -1x = 21 + -55
-1x = 21 + -55

Combine like terms: 21 + -55 = -34
-1x = -34

Divide each side by '-1'.
x = 34

Simplifying
x = 34

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