12x-3=21x-4

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Solution for 12x-3=21x-4 equation:


Simplifying
12x + -3 = 21x + -4

Reorder the terms:
-3 + 12x = 21x + -4

Reorder the terms:
-3 + 12x = -4 + 21x

Solving
-3 + 12x = -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.
-3 + 12x + -21x = -4 + 21x + -21x

Combine like terms: 12x + -21x = -9x
-3 + -9x = -4 + 21x + -21x

Combine like terms: 21x + -21x = 0
-3 + -9x = -4 + 0
-3 + -9x = -4

Add '3' to each side of the equation.
-3 + 3 + -9x = -4 + 3

Combine like terms: -3 + 3 = 0
0 + -9x = -4 + 3
-9x = -4 + 3

Combine like terms: -4 + 3 = -1
-9x = -1

Divide each side by '-9'.
x = 0.1111111111

Simplifying
x = 0.1111111111

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