21x-55=113

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Solution for 21x-55=113 equation: 


Simplifying
21x + -55 = 113

Reorder the terms:
-55 + 21x = 113

Solving
-55 + 21x = 113

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 + 21x = 113 + 55

Combine like terms: -55 + 55 = 0
0 + 21x = 113 + 55
21x = 113 + 55

Combine like terms: 113 + 55 = 168
21x = 168

Divide each side by '21'.
x = 8

Simplifying
x = 8

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