42+x=12*x

Solution for 42+x=12*x equation:

Simplifying
42 + x = 12x

Solving
42 + x = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
42 + x + -12x = 12x + -12x

Combine like terms: x + -12x = -11x
42 + -11x = 12x + -12x

Combine like terms: 12x + -12x = 0
42 + -11x = 0

Add '-42' to each side of the equation.
42 + -42 + -11x = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -11x = 0 + -42
-11x = 0 + -42

Combine like terms: 0 + -42 = -42
-11x = -42

Divide each side by '-11'.
x = 3.818181818

Simplifying
x = 3.818181818