21x-2=91

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Solution for 21x-2=91 equation: 


Simplifying
21x + -2 = 91

Reorder the terms:
-2 + 21x = 91

Solving
-2 + 21x = 91

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 21x = 91 + 2

Combine like terms: -2 + 2 = 0
0 + 21x = 91 + 2
21x = 91 + 2

Combine like terms: 91 + 2 = 93
21x = 93

Divide each side by '21'.
x = 4.428571429

Simplifying
x = 4.428571429

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