5km+3=77km

Solution for 5km+3=77km equation:

Simplifying
5km + 3 = 77km

Reorder the terms:
3 + 5km = 77km

Solving
3 + 5km = 77km

Solving for variable 'k'.

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

Add '-77km' to each side of the equation.
3 + 5km + -77km = 77km + -77km

Combine like terms: 5km + -77km = -72km
3 + -72km = 77km + -77km

Combine like terms: 77km + -77km = 0
3 + -72km = 0

Add '-3' to each side of the equation.
3 + -3 + -72km = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -72km = 0 + -3
-72km = 0 + -3

Combine like terms: 0 + -3 = -3
-72km = -3

Divide each side by '-72m'.
k = 0.04166666667m-1

Simplifying
k = 0.04166666667m-1