21+2x=x+24

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Solution for 21+2x=x+24 equation:


Simplifying
21 + 2x = x + 24

Reorder the terms:
21 + 2x = 24 + x

Solving
21 + 2x = 24 + 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.
21 + 2x + -1x = 24 + x + -1x

Combine like terms: 2x + -1x = 1x
21 + 1x = 24 + x + -1x

Combine like terms: x + -1x = 0
21 + 1x = 24 + 0
21 + 1x = 24

Add '-21' to each side of the equation.
21 + -21 + 1x = 24 + -21

Combine like terms: 21 + -21 = 0
0 + 1x = 24 + -21
1x = 24 + -21

Combine like terms: 24 + -21 = 3
1x = 3

Divide each side by '1'.
x = 3

Simplifying
x = 3

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