21x-331=12x+83

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Solution for 21x-331=12x+83 equation:


Simplifying
21x + -331 = 12x + 83

Reorder the terms:
-331 + 21x = 12x + 83

Reorder the terms:
-331 + 21x = 83 + 12x

Solving
-331 + 21x = 83 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-331 + 21x + -12x = 83 + 12x + -12x

Combine like terms: 21x + -12x = 9x
-331 + 9x = 83 + 12x + -12x

Combine like terms: 12x + -12x = 0
-331 + 9x = 83 + 0
-331 + 9x = 83

Add '331' to each side of the equation.
-331 + 331 + 9x = 83 + 331

Combine like terms: -331 + 331 = 0
0 + 9x = 83 + 331
9x = 83 + 331

Combine like terms: 83 + 331 = 414
9x = 414

Divide each side by '9'.
x = 46

Simplifying
x = 46

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