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

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

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

Reorder the terms:
-2(-3 + t) + -1(t + 8) = 3
(-3 * -2 + t * -2) + -1(t + 8) = 3
(6 + -2t) + -1(t + 8) = 3

Reorder the terms:
6 + -2t + -1(8 + t) = 3
6 + -2t + (8 * -1 + t * -1) = 3
6 + -2t + (-8 + -1t) = 3

Reorder the terms:
6 + -8 + -2t + -1t = 3

Combine like terms: 6 + -8 = -2
-2 + -2t + -1t = 3

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

Solving
-2 + -3t = 3

Solving for variable 't'.

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

Add '2' to each side of the equation.
-2 + 2 + -3t = 3 + 2

Combine like terms: -2 + 2 = 0
0 + -3t = 3 + 2
-3t = 3 + 2

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

Divide each side by '-3'.
t = -1.666666667

Simplifying
t = -1.666666667