0.4+-0.6=1.3k+1.2

Solution for 0.4+-0.6=1.3k+1.2 equation:

Simplifying
0.4 + -0.6 = 1.3k + 1.2

Combine like terms: 0.4 + -0.6 = -0.2
-0.2 = 1.3k + 1.2

Reorder the terms:
-0.2 = 1.2 + 1.3k

Solving
-0.2 = 1.2 + 1.3k

Solving for variable 'k'.

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

Add '-1.3k' to each side of the equation.
-0.2 + -1.3k = 1.2 + 1.3k + -1.3k

Combine like terms: 1.3k + -1.3k = 0.0
-0.2 + -1.3k = 1.2 + 0.0
-0.2 + -1.3k = 1.2

Add '0.2' to each side of the equation.
-0.2 + 0.2 + -1.3k = 1.2 + 0.2

Combine like terms: -0.2 + 0.2 = 0.0
0.0 + -1.3k = 1.2 + 0.2
-1.3k = 1.2 + 0.2

Combine like terms: 1.2 + 0.2 = 1.4
-1.3k = 1.4

Divide each side by '-1.3'.
k = -1.076923077

Simplifying
k = -1.076923077