-9(t-2)-(t+9)=10

Solution for -9(t-2)-(t+9)=10 equation:

Simplifying
-9(t + -2) + -1(t + 9) = 10

Reorder the terms:
-9(-2 + t) + -1(t + 9) = 10
(-2 * -9 + t * -9) + -1(t + 9) = 10
(18 + -9t) + -1(t + 9) = 10

Reorder the terms:
18 + -9t + -1(9 + t) = 10
18 + -9t + (9 * -1 + t * -1) = 10
18 + -9t + (-9 + -1t) = 10

Reorder the terms:
18 + -9 + -9t + -1t = 10

Combine like terms: 18 + -9 = 9
9 + -9t + -1t = 10

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

Solving
9 + -10t = 10

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 + -10t = 10 + -9

Combine like terms: 9 + -9 = 0
0 + -10t = 10 + -9
-10t = 10 + -9

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

Divide each side by '-10'.
t = -0.1

Simplifying
t = -0.1