3x-27=42

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Solution for 3x-27=42 equation: 


Simplifying
3x + -27 = 42

Reorder the terms:
-27 + 3x = 42

Solving
-27 + 3x = 42

Solving for variable 'x'.

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

Add '27' to each side of the equation.
-27 + 27 + 3x = 42 + 27

Combine like terms: -27 + 27 = 0
0 + 3x = 42 + 27
3x = 42 + 27

Combine like terms: 42 + 27 = 69
3x = 69

Divide each side by '3'.
x = 23

Simplifying
x = 23

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