3.5+42=h

Solution for 3.5+42=h equation:

Simplifying
3.5 + 42 = h

Combine like terms: 3.5 + 42 = 45.5
45.5 = h

Solving
45.5 = h

Solving for variable 'h'.

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

Add '-1h' to each side of the equation.
45.5 + -1h = h + -1h

Combine like terms: h + -1h = 0
45.5 + -1h = 0

Add '-45.5' to each side of the equation.
45.5 + -45.5 + -1h = 0 + -45.5

Combine like terms: 45.5 + -45.5 = 0.0
0.0 + -1h = 0 + -45.5
-1h = 0 + -45.5

Combine like terms: 0 + -45.5 = -45.5
-1h = -45.5

Divide each side by '-1'.
h = 45.5

Simplifying
h = 45.5