Evaluate the expression when $$ a=4 $$ and $$ b=-3 $$. \begin{tabular}{|c|c|}\hline$$ a-5 b $$ \ $$ \square $$ & 5 \ \hline\end{tabular}

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Substitute $$ a=4,b=-3 $$ into the expression $$ a-5b $$.
Evaluate the expression by following steps:
- step0: Evaluate:
  $$a-5b$$
- step1: Substitute:
  $$4-5\left(-3\right)$$
- step2: Multiply the numbers:
  $$4+15$$
- step3: Add the numbers:
  $$19$$
When $$ a=4 $$ and $$ b=-3 $$, the expression $$ a-5b $$ evaluates to 19.
When $$ a=4 $$ and $$ b=-3 $$, the expression $$ a-5b $$ equals 19.

Evaluate the expression when and .

5

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