###### Exercise119

1. Solve the following linear equation:

$$\displaystyle{ {4\!\left(t-3\right)-3}={9} }$$

2. Evaluate the following expression when $$t=6\text{:}$$

$$\displaystyle{{4\!\left(t-3\right)-3}=}$$

3. Simplify the following expression:

$$\displaystyle{{4\!\left(t-3\right)-3}=}$$

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