-9(t-5)-(t+8)=4

Solution for -9(t-5)-(t+8)=4 equation:

Simplifying
-9(t + -5) + -1(t + 8) = 4

Reorder the terms:
-9(-5 + t) + -1(t + 8) = 4
(-5 * -9 + t * -9) + -1(t + 8) = 4
(45 + -9t) + -1(t + 8) = 4

Reorder the terms:
45 + -9t + -1(8 + t) = 4
45 + -9t + (8 * -1 + t * -1) = 4
45 + -9t + (-8 + -1t) = 4

Reorder the terms:
45 + -8 + -9t + -1t = 4

Combine like terms: 45 + -8 = 37
37 + -9t + -1t = 4

Combine like terms: -9t + -1t = -10t
37 + -10t = 4

Solving
37 + -10t = 4

Solving for variable 't'.

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

Add '-37' to each side of the equation.
37 + -37 + -10t = 4 + -37

Combine like terms: 37 + -37 = 0
0 + -10t = 4 + -37
-10t = 4 + -37

Combine like terms: 4 + -37 = -33
-10t = -33

Divide each side by '-10'.
t = 3.3

Simplifying
t = 3.3