12x-1=21+x

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Solution for 12x-1=21+x equation:


Simplifying
12x + -1 = 21 + x

Reorder the terms:
-1 + 12x = 21 + x

Solving
-1 + 12x = 21 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-1 + 12x + -1x = 21 + x + -1x

Combine like terms: 12x + -1x = 11x
-1 + 11x = 21 + x + -1x

Combine like terms: x + -1x = 0
-1 + 11x = 21 + 0
-1 + 11x = 21

Add '1' to each side of the equation.
-1 + 1 + 11x = 21 + 1

Combine like terms: -1 + 1 = 0
0 + 11x = 21 + 1
11x = 21 + 1

Combine like terms: 21 + 1 = 22
11x = 22

Divide each side by '11'.
x = 2

Simplifying
x = 2

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