42+x=3

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Solution for 42+x=3 equation: 


Simplifying
42 + x = 3

Solving
42 + x = 3

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 + x = 3 + -42

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

Combine like terms: 3 + -42 = -39
x = -39

Simplifying
x = -39

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