3x+12x-23=21x-3-1

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Solution for 3x+12x-23=21x-3-1 equation:


Simplifying
3x + 12x + -23 = 21x + -3 + -1

Reorder the terms:
-23 + 3x + 12x = 21x + -3 + -1

Combine like terms: 3x + 12x = 15x
-23 + 15x = 21x + -3 + -1

Reorder the terms:
-23 + 15x = -3 + -1 + 21x

Combine like terms: -3 + -1 = -4
-23 + 15x = -4 + 21x

Solving
-23 + 15x = -4 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
-23 + 15x + -21x = -4 + 21x + -21x

Combine like terms: 15x + -21x = -6x
-23 + -6x = -4 + 21x + -21x

Combine like terms: 21x + -21x = 0
-23 + -6x = -4 + 0
-23 + -6x = -4

Add '23' to each side of the equation.
-23 + 23 + -6x = -4 + 23

Combine like terms: -23 + 23 = 0
0 + -6x = -4 + 23
-6x = -4 + 23

Combine like terms: -4 + 23 = 19
-6x = 19

Divide each side by '-6'.
x = -3.166666667

Simplifying
x = -3.166666667

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