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Lisa wrote the expression (3 + 6x) – 2(x + 1) + 5. She simplified the expression using the following steps: Step 1: 3(1 + x) – 2(x + 1) + 5 Step 2: 3(x + 1) – 2(x + 1) + 5 Step 3: (x + 1) + 5 Step 4: x + 6 Lisa says that (3 + 6x) – 2(x + 1) + 5 = x + 6. Lisa's statement is incorrect. In which step did Lisa first make a mistake, and what is a correct expression for that step? @ Step 1; 3(1 + 3x) – 2(x + 1) + 5 © Step 1; 3(1 + 2x) – 2(x + 1) + 5 © Step 3; 5(x + 1) + 5 © Step 3; 6(x + 1) + 5

Lisa wrote the expression (3 + 6x) – 2(x + 1) + 5. She simplified the expression using the following steps: Step 1: 3(1 + x) – 2(x + 1) + 5 Step 2: 3(x + 1) – 2(x + 1) + 5 Step 3: (x + 1) + 5 Step 4: x + 6 Lisa says that (3 + 6x) – 2(x + 1) + 5 = x + 6. Lisa's statement is incorrect. In which step did Lisa first make a mistake, and what is a correct expression for that step? @ Step 1; 3(1 + 3x) – 2(x + 1) + 5 © Step 1; 3(1 + 2x) – 2(x + 1) + 5 © Step 3; 5(x + 1) + 5 © Step 3; 6(x + 1) + 5

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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In this question, the correct answer is B, and I agree with it, but the answer in Step 4 and step through 2 to 4 doesn't seem right? Am I wrong?

Lisa wrote the expression (3 + 6x) – 2(x + 1) + 5. She simplified the expression using the following steps: Step 1: 3(1 + x) – 2(x + 1) + 5 Step 2: 3(x + 1) – 2(x + 1) + 5 Step 3: (x + 1) + 5 Step 4: x + 6 Lisa says that (3 + 6x) – 2(x + 1) + 5 = x + 6. Lisa's statement is incorrect. In which step did Lisa first make a mistake, and what is a correct expression for that step? Step 1; 3(1 + 3x) – 2(x + 1) + 5 ® Step 1; 3(1 + 2x) – 2(x + 1) + 5 Step 3;B 5(xх + 1) + 5 O Step 3; 6(x + 1) + 5
Transcribed Image Text:Lisa wrote the expression (3 + 6x) – 2(x + 1) + 5. She simplified the expression using the following steps: Step 1: 3(1 + x) – 2(x + 1) + 5 Step 2: 3(x + 1) – 2(x + 1) + 5 Step 3: (x + 1) + 5 Step 4: x + 6 Lisa says that (3 + 6x) – 2(x + 1) + 5 = x + 6. Lisa's statement is incorrect. In which step did Lisa first make a mistake, and what is a correct expression for that step? Step 1; 3(1 + 3x) – 2(x + 1) + 5 ® Step 1; 3(1 + 2x) – 2(x + 1) + 5 Step 3;B 5(xх + 1) + 5 O Step 3; 6(x + 1) + 5
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