Questions: 4r)+9r-11r+7r 1-18

Transcript text: 4 r)+9 r-11 r+7 r] \\ 1-18

Solution

Step 1: Simplifying the Expression

We start with the expression:

\[ 4r + 9r - 11r + 7r \]

Combining the like terms, we have:

\[ (4 + 9 - 11 + 7)r = 9r \]

Thus, the simplified expression is:

\[ 9r \]

Step 2: Evaluating the Second Part

Next, we evaluate the second part of the question:

\[ 1 - 18 \]

Calculating this gives:

\[ 1 - 18 = -17 \]

The results of the calculations are:

Thus, the final answers are:

\[ \boxed{9r} \] \[ \boxed{-17} \]

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