27=3x-21

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Solution for 27=3x-21 equation:


Simplifying
27 = 3x + -21

Reorder the terms:
27 = -21 + 3x

Solving
27 = -21 + 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.
27 + -3x = -21 + 3x + -3x

Combine like terms: 3x + -3x = 0
27 + -3x = -21 + 0
27 + -3x = -21

Add '-27' to each side of the equation.
27 + -27 + -3x = -21 + -27

Combine like terms: 27 + -27 = 0
0 + -3x = -21 + -27
-3x = -21 + -27

Combine like terms: -21 + -27 = -48
-3x = -48

Divide each side by '-3'.
x = 16

Simplifying
x = 16

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