-3(t-3)-(t+3)=3

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

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

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

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

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

Combine like terms: 9 + -3 = 6
6 + -3t + -1t = 3

Combine like terms: -3t + -1t = -4t
6 + -4t = 3

Solving
6 + -4t = 3

Solving for variable 't'.

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

Add '-6' to each side of the equation.
6 + -6 + -4t = 3 + -6

Combine like terms: 6 + -6 = 0
0 + -4t = 3 + -6
-4t = 3 + -6

Combine like terms: 3 + -6 = -3
-4t = -3

Divide each side by '-4'.
t = 0.75

Simplifying
t = 0.75