-4.50=1.20(t+1)

Solution for -4.50=1.20(t+1) equation:

Simplifying
-4.50 = 1.20(t + 1)

Reorder the terms:
-4.50 = 1.20(1 + t)
-4.50 = (1 * 1.20 + t * 1.20)
-4.50 = (1.2 + 1.20t)

Solving
-4.50 = 1.2 + 1.20t

Solving for variable 't'.

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

Add '-1.20t' to each side of the equation.
-4.50 + -1.20t = 1.2 + 1.20t + -1.20t

Combine like terms: 1.20t + -1.20t = 0.00
-4.50 + -1.20t = 1.2 + 0.00
-4.50 + -1.20t = 1.2

Add '4.50' to each side of the equation.
-4.50 + 4.50 + -1.20t = 1.2 + 4.50

Combine like terms: -4.50 + 4.50 = 0.00
0.00 + -1.20t = 1.2 + 4.50
-1.20t = 1.2 + 4.50

Combine like terms: 1.2 + 4.50 = 5.7
-1.20t = 5.7

Divide each side by '-1.20'.
t = -4.75

Simplifying
t = -4.75