3+5x=42

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Solution for 3+5x=42 equation: 


Simplifying
3 + 5x = 42

Solving
3 + 5x = 42

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 5x = 42 + -3

Combine like terms: 3 + -3 = 0
0 + 5x = 42 + -3
5x = 42 + -3

Combine like terms: 42 + -3 = 39
5x = 39

Divide each side by '5'.
x = 7.8

Simplifying
x = 7.8

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