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20(–1,5r + 0,75) Combine like terms

User Lu Mike
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Final answer:

To solve 20(−1.5r + 0.75), multiply each term inside the parentheses by 20 to get −30r + 15, which is the simplified expression.

Step-by-step explanation:

The student's question involves a simple algebraic expression where the goal is to apply the distributive property to combine like terms. To solve the expression 20(−1.5r + 0.75), you multiply each term inside the brackets by 20.

Here are the steps:

  • Multiply 20 by −1.5r: 20 * −1.5r = −30r.
  • Multiply 20 by 0.75: 20 * 0.75 = 15.
  • Combine these two products to get the simplified expression: −30r + 15.

This expression does not have like terms to combine further since one term contains the variable r and the other is a constant.

User Maxie
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