9(t-1)=18

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Solution for 9(t-1)=18 equation: 


Simplifying
9(t + -1) = 18

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

Solving
-9 + 9t = 18

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 + 9t = 18 + 9

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

Combine like terms: 18 + 9 = 27
9t = 27

Divide each side by '9'.
t = 3

Simplifying
t = 3

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