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

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


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

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

Remove parenthesis around (-2 + t)
-2 + t = 9(t + 2)

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

Solving
-2 + t = 18 + 9t

Solving for variable 't'.

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

Add '-9t' to each side of the equation.
-2 + t + -9t = 18 + 9t + -9t

Combine like terms: t + -9t = -8t
-2 + -8t = 18 + 9t + -9t

Combine like terms: 9t + -9t = 0
-2 + -8t = 18 + 0
-2 + -8t = 18

Add '2' to each side of the equation.
-2 + 2 + -8t = 18 + 2

Combine like terms: -2 + 2 = 0
0 + -8t = 18 + 2
-8t = 18 + 2

Combine like terms: 18 + 2 = 20
-8t = 20

Divide each side by '-8'.
t = -2.5

Simplifying
t = -2.5

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