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

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Solution for -9(t-2)-(t+1)=1 equation: 


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

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

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

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

Combine like terms: 18 + -1 = 17
17 + -9t + -1t = 1

Combine like terms: -9t + -1t = -10t
17 + -10t = 1

Solving
17 + -10t = 1

Solving for variable 't'.

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

Add '-17' to each side of the equation.
17 + -17 + -10t = 1 + -17

Combine like terms: 17 + -17 = 0
0 + -10t = 1 + -17
-10t = 1 + -17

Combine like terms: 1 + -17 = -16
-10t = -16

Divide each side by '-10'.
t = 1.6

Simplifying
t = 1.6

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