3.7+-9.3=k

Solution for 3.7+-9.3=k equation:

Simplifying
3.7 + -9.3 = k

Combine like terms: 3.7 + -9.3 = -5.6
-5.6 = k

Solving
-5.6 = k

Solving for variable 'k'.

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

Add '-1k' to each side of the equation.
-5.6 + -1k = k + -1k

Combine like terms: k + -1k = 0
-5.6 + -1k = 0

Add '5.6' to each side of the equation.
-5.6 + 5.6 + -1k = 0 + 5.6

Combine like terms: -5.6 + 5.6 = 0.0
0.0 + -1k = 0 + 5.6
-1k = 0 + 5.6

Combine like terms: 0 + 5.6 = 5.6
-1k = 5.6

Divide each side by '-1'.
k = -5.6

Simplifying
k = -5.6