2x-42=84

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Solution for 2x-42=84 equation:


Simplifying
2x + -42 = 84

Reorder the terms:
-42 + 2x = 84

Solving
-42 + 2x = 84

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 = 84 + 42

Combine like terms: -42 + 42 = 0
0 + 2x = 84 + 42
2x = 84 + 42

Combine like terms: 84 + 42 = 126
2x = 126

Divide each side by '2'.
x = 63

Simplifying
x = 63

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