The given text seems to be a bit jumbled and unclear. However, I will attempt to interpret and solve the first three mathematical expressions or equations that can be identified:
- \(8 + 5 \times 9 + 8\)
- \(x + 1.5x\)
- \(3x + 3\)
For each expression:
- Evaluate the arithmetic expression using the order of operations (PEMDAS/BODMAS).
- Simplify the algebraic expression by combining like terms.
- Simplify the algebraic expression by combining like terms.
We start with the expression \(8 + 5 \times 9 + 8\). According to the order of operations, we first perform the multiplication:
\[
5 \times 9 = 45
\]
Now substituting back into the expression:
\[
8 + 45 + 8 = 61
\]
Thus, the result of the arithmetic expression is:
\[
\boxed{61}
\]
Next, we simplify the expression \(x + 1.5x\). We can combine like terms:
\[
x + 1.5x = 2.5x
\]
So, the simplified form of the expression is:
\[
\boxed{2.5x}
\]
Finally, we simplify the expression \(3x + 3\). This expression cannot be simplified further in terms of combining like terms, but we can factor it:
\[
3x + 3 = 3(x + 1)
\]
Thus, the simplified form of this expression is:
\[
\boxed{3(x + 1)}
\]
- For the arithmetic expression: \(\boxed{61}\)
- For the expression \(x + 1.5x\): \(\boxed{2.5x}\)
- For the expression \(3x + 3\): \(\boxed{3(x + 1)}\)
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