42=3.14d

Solution for 42=3.14d equation:

Simplifying
42 = 3.14d

Solving
42 = 3.14d

Solving for variable 'd'.

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

Add '-3.14d' to each side of the equation.
42 + -3.14d = 3.14d + -3.14d

Combine like terms: 3.14d + -3.14d = 0.00
42 + -3.14d = 0.00

Add '-42' to each side of the equation.
42 + -42 + -3.14d = 0.00 + -42

Combine like terms: 42 + -42 = 0
0 + -3.14d = 0.00 + -42
-3.14d = 0.00 + -42

Combine like terms: 0.00 + -42 = -42
-3.14d = -42

Divide each side by '-3.14'.
d = 13.37579618

Simplifying
d = 13.37579618