21x-91=224

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Solution for 21x-91=224 equation: 


Simplifying
21x + -91 = 224

Reorder the terms:
-91 + 21x = 224

Solving
-91 + 21x = 224

Solving for variable 'x'.

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

Add '91' to each side of the equation.
-91 + 91 + 21x = 224 + 91

Combine like terms: -91 + 91 = 0
0 + 21x = 224 + 91
21x = 224 + 91

Combine like terms: 224 + 91 = 315
21x = 315

Divide each side by '21'.
x = 15

Simplifying
x = 15

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