-6x=3(x-21)

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Solution for -6x=3(x-21) equation:


Simplifying
-6x = 3(x + -21)

Reorder the terms:
-6x = 3(-21 + x)
-6x = (-21 * 3 + x * 3)
-6x = (-63 + 3x)

Solving
-6x = -63 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
-6x + -3x = -63 + 3x + -3x

Combine like terms: -6x + -3x = -9x
-9x = -63 + 3x + -3x

Combine like terms: 3x + -3x = 0
-9x = -63 + 0
-9x = -63

Divide each side by '-9'.
x = 7

Simplifying
x = 7

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