2x-42=18

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Solution for 2x-42=18 equation: 


Simplifying
2x + -42 = 18

Reorder the terms:
-42 + 2x = 18

Solving
-42 + 2x = 18

Solving for variable 'x'.

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

Add '42' to each side of the equation.
-42 + 42 + 2x = 18 + 42

Combine like terms: -42 + 42 = 0
0 + 2x = 18 + 42
2x = 18 + 42

Combine like terms: 18 + 42 = 60
2x = 60

Divide each side by '2'.
x = 30

Simplifying
x = 30

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