31-15=3.2t

Solution for 31-15=3.2t equation:

Simplifying
31 + -15 = 3.2t

Combine like terms: 31 + -15 = 16
16 = 3.2t

Solving
16 = 3.2t

Solving for variable 't'.

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

Add '-3.2t' to each side of the equation.
16 + -3.2t = 3.2t + -3.2t

Combine like terms: 3.2t + -3.2t = 0.0
16 + -3.2t = 0.0

Add '-16' to each side of the equation.
16 + -16 + -3.2t = 0.0 + -16

Combine like terms: 16 + -16 = 0
0 + -3.2t = 0.0 + -16
-3.2t = 0.0 + -16

Combine like terms: 0.0 + -16 = -16
-3.2t = -16

Divide each side by '-3.2'.
t = 5

Simplifying
t = 5