56=k-(-3)

Solution for 56=k-(-3) equation:

Simplifying
56 = k + -1(-3)

Multiply -1 * -3
56 = k + 3

Reorder the terms:
56 = 3 + k

Solving
56 = 3 + 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.
56 + -1k = 3 + k + -1k

Combine like terms: k + -1k = 0
56 + -1k = 3 + 0
56 + -1k = 3

Add '-56' to each side of the equation.
56 + -56 + -1k = 3 + -56

Combine like terms: 56 + -56 = 0
0 + -1k = 3 + -56
-1k = 3 + -56

Combine like terms: 3 + -56 = -53
-1k = -53

Divide each side by '-1'.
k = 53

Simplifying
k = 53