6+6x+3=2x+21+3x

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Solution for 6+6x+3=2x+21+3x equation:


Simplifying
6 + 6x + 3 = 2x + 21 + 3x

Reorder the terms:
6 + 3 + 6x = 2x + 21 + 3x

Combine like terms: 6 + 3 = 9
9 + 6x = 2x + 21 + 3x

Reorder the terms:
9 + 6x = 21 + 2x + 3x

Combine like terms: 2x + 3x = 5x
9 + 6x = 21 + 5x

Solving
9 + 6x = 21 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
9 + 6x + -5x = 21 + 5x + -5x

Combine like terms: 6x + -5x = 1x
9 + 1x = 21 + 5x + -5x

Combine like terms: 5x + -5x = 0
9 + 1x = 21 + 0
9 + 1x = 21

Add '-9' to each side of the equation.
9 + -9 + 1x = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 1x = 21 + -9
1x = 21 + -9

Combine like terms: 21 + -9 = 12
1x = 12

Divide each side by '1'.
x = 12

Simplifying
x = 12

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