21x+3=12x+6

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Solution for 21x+3=12x+6 equation:


Simplifying
21x + 3 = 12x + 6

Reorder the terms:
3 + 21x = 12x + 6

Reorder the terms:
3 + 21x = 6 + 12x

Solving
3 + 21x = 6 + 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.
3 + 21x + -12x = 6 + 12x + -12x

Combine like terms: 21x + -12x = 9x
3 + 9x = 6 + 12x + -12x

Combine like terms: 12x + -12x = 0
3 + 9x = 6 + 0
3 + 9x = 6

Add '-3' to each side of the equation.
3 + -3 + 9x = 6 + -3

Combine like terms: 3 + -3 = 0
0 + 9x = 6 + -3
9x = 6 + -3

Combine like terms: 6 + -3 = 3
9x = 3

Divide each side by '9'.
x = 0.3333333333

Simplifying
x = 0.3333333333

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