3x-51=42

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Solution for 3x-51=42 equation: 


Simplifying
3x + -51 = 42

Reorder the terms:
-51 + 3x = 42

Solving
-51 + 3x = 42

Solving for variable 'x'.

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

Add '51' to each side of the equation.
-51 + 51 + 3x = 42 + 51

Combine like terms: -51 + 51 = 0
0 + 3x = 42 + 51
3x = 42 + 51

Combine like terms: 42 + 51 = 93
3x = 93

Divide each side by '3'.
x = 31

Simplifying
x = 31

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