-2(t-8)-(t+3)=5

Solution for -2(t-8)-(t+3)=5 equation:

Simplifying
-2(t + -8) + -1(t + 3) = 5

Reorder the terms:
-2(-8 + t) + -1(t + 3) = 5
(-8 * -2 + t * -2) + -1(t + 3) = 5
(16 + -2t) + -1(t + 3) = 5

Reorder the terms:
16 + -2t + -1(3 + t) = 5
16 + -2t + (3 * -1 + t * -1) = 5
16 + -2t + (-3 + -1t) = 5

Reorder the terms:
16 + -3 + -2t + -1t = 5

Combine like terms: 16 + -3 = 13
13 + -2t + -1t = 5

Combine like terms: -2t + -1t = -3t
13 + -3t = 5

Solving
13 + -3t = 5

Solving for variable 't'.

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

Add '-13' to each side of the equation.
13 + -13 + -3t = 5 + -13

Combine like terms: 13 + -13 = 0
0 + -3t = 5 + -13
-3t = 5 + -13

Combine like terms: 5 + -13 = -8
-3t = -8

Divide each side by '-3'.
t = 2.666666667

Simplifying
t = 2.666666667