-9(t-5)-(t+3)=4

Solution for -9(t-5)-(t+3)=4 equation:

Simplifying
-9(t + -5) + -1(t + 3) = 4

Reorder the terms:
-9(-5 + t) + -1(t + 3) = 4
(-5 * -9 + t * -9) + -1(t + 3) = 4
(45 + -9t) + -1(t + 3) = 4

Reorder the terms:
45 + -9t + -1(3 + t) = 4
45 + -9t + (3 * -1 + t * -1) = 4
45 + -9t + (-3 + -1t) = 4

Reorder the terms:
45 + -3 + -9t + -1t = 4

Combine like terms: 45 + -3 = 42
42 + -9t + -1t = 4

Combine like terms: -9t + -1t = -10t
42 + -10t = 4

Solving
42 + -10t = 4

Solving for variable 't'.

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

Add '-42' to each side of the equation.
42 + -42 + -10t = 4 + -42

Combine like terms: 42 + -42 = 0
0 + -10t = 4 + -42
-10t = 4 + -42

Combine like terms: 4 + -42 = -38
-10t = -38

Divide each side by '-10'.
t = 3.8

Simplifying
t = 3.8