12x=4(6x-21)

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Solution for 12x=4(6x-21) equation:


Simplifying
12x = 4(6x + -21)

Reorder the terms:
12x = 4(-21 + 6x)
12x = (-21 * 4 + 6x * 4)
12x = (-84 + 24x)

Solving
12x = -84 + 24x

Solving for variable 'x'.

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

Add '-24x' to each side of the equation.
12x + -24x = -84 + 24x + -24x

Combine like terms: 12x + -24x = -12x
-12x = -84 + 24x + -24x

Combine like terms: 24x + -24x = 0
-12x = -84 + 0
-12x = -84

Divide each side by '-12'.
x = 7

Simplifying
x = 7

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