-2(t-9)-(t+9)=5

Solution for -2(t-9)-(t+9)=5 equation:

Simplifying
-2(t + -9) + -1(t + 9) = 5

Reorder the terms:
-2(-9 + t) + -1(t + 9) = 5
(-9 * -2 + t * -2) + -1(t + 9) = 5
(18 + -2t) + -1(t + 9) = 5

Reorder the terms:
18 + -2t + -1(9 + t) = 5
18 + -2t + (9 * -1 + t * -1) = 5
18 + -2t + (-9 + -1t) = 5

Reorder the terms:
18 + -9 + -2t + -1t = 5

Combine like terms: 18 + -9 = 9
9 + -2t + -1t = 5

Combine like terms: -2t + -1t = -3t
9 + -3t = 5

Solving
9 + -3t = 5

Solving for variable 't'.

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

Add '-9' to each side of the equation.
9 + -9 + -3t = 5 + -9

Combine like terms: 9 + -9 = 0
0 + -3t = 5 + -9
-3t = 5 + -9

Combine like terms: 5 + -9 = -4
-3t = -4

Divide each side by '-3'.
t = 1.333333333

Simplifying
t = 1.333333333