54-a=25

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Solution for 54-a=25 equation: 


Simplifying
54 + -1a = 25

Solving
54 + -1a = 25

Solving for variable 'a'.

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

Add '-54' to each side of the equation.
54 + -54 + -1a = 25 + -54

Combine like terms: 54 + -54 = 0
0 + -1a = 25 + -54
-1a = 25 + -54

Combine like terms: 25 + -54 = -29
-1a = -29

Divide each side by '-1'.
a = 29

Simplifying
a = 29

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