42=3(2+3h)

Solution for 42=3(2+3h) equation:

Simplifying
42 = 3(2 + 3h)
42 = (2 * 3 + 3h * 3)
42 = (6 + 9h)

Solving
42 = 6 + 9h

Solving for variable 'h'.

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

Add '-9h' to each side of the equation.
42 + -9h = 6 + 9h + -9h

Combine like terms: 9h + -9h = 0
42 + -9h = 6 + 0
42 + -9h = 6

Add '-42' to each side of the equation.
42 + -42 + -9h = 6 + -42

Combine like terms: 42 + -42 = 0
0 + -9h = 6 + -42
-9h = 6 + -42

Combine like terms: 6 + -42 = -36
-9h = -36

Divide each side by '-9'.
h = 4

Simplifying
h = 4