-9(t-8)-(t+1)=5

Solution for -9(t-8)-(t+1)=5 equation:

Simplifying
-9(t + -8) + -1(t + 1) = 5

Reorder the terms:
-9(-8 + t) + -1(t + 1) = 5
(-8 * -9 + t * -9) + -1(t + 1) = 5
(72 + -9t) + -1(t + 1) = 5

Reorder the terms:
72 + -9t + -1(1 + t) = 5
72 + -9t + (1 * -1 + t * -1) = 5
72 + -9t + (-1 + -1t) = 5

Reorder the terms:
72 + -1 + -9t + -1t = 5

Combine like terms: 72 + -1 = 71
71 + -9t + -1t = 5

Combine like terms: -9t + -1t = -10t
71 + -10t = 5

Solving
71 + -10t = 5

Solving for variable 't'.

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

Add '-71' to each side of the equation.
71 + -71 + -10t = 5 + -71

Combine like terms: 71 + -71 = 0
0 + -10t = 5 + -71
-10t = 5 + -71

Combine like terms: 5 + -71 = -66
-10t = -66

Divide each side by '-10'.
t = 6.6

Simplifying
t = 6.6