9x+21+3x=1

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Solution for 9x+21+3x=1 equation:


Simplifying
9x + 21 + 3x = 1

Reorder the terms:
21 + 9x + 3x = 1

Combine like terms: 9x + 3x = 12x
21 + 12x = 1

Solving
21 + 12x = 1

Solving for variable 'x'.

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

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

Combine like terms: 21 + -21 = 0
0 + 12x = 1 + -21
12x = 1 + -21

Combine like terms: 1 + -21 = -20
12x = -20

Divide each side by '12'.
x = -1.666666667

Simplifying
x = -1.666666667

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