-9(t-2)-(t+7)=3

Solution for -9(t-2)-(t+7)=3 equation:

Simplifying
-9(t + -2) + -1(t + 7) = 3

Reorder the terms:
-9(-2 + t) + -1(t + 7) = 3
(-2 * -9 + t * -9) + -1(t + 7) = 3
(18 + -9t) + -1(t + 7) = 3

Reorder the terms:
18 + -9t + -1(7 + t) = 3
18 + -9t + (7 * -1 + t * -1) = 3
18 + -9t + (-7 + -1t) = 3

Reorder the terms:
18 + -7 + -9t + -1t = 3

Combine like terms: 18 + -7 = 11
11 + -9t + -1t = 3

Combine like terms: -9t + -1t = -10t
11 + -10t = 3

Solving
11 + -10t = 3

Solving for variable 't'.

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

Add '-11' to each side of the equation.
11 + -11 + -10t = 3 + -11

Combine like terms: 11 + -11 = 0
0 + -10t = 3 + -11
-10t = 3 + -11

Combine like terms: 3 + -11 = -8
-10t = -8

Divide each side by '-10'.
t = 0.8

Simplifying
t = 0.8