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# 12x + 325

## Problem 22 Chapter 9.5

College Algebra | 9th Edition

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College Algebra | 9th Edition

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Problem 22

12x + 325

Step-by-Step Solution:
Step 1 of 3

K-2 CCSS Strategies Add To: Result Unknown Level 1: Count All 5 + 4 = IIIII IIII Level 2: Counting On Say 5 and then, using your fingers to model, 6, 7, 8, 9 Level 3: Doubles Plus/Minus 5 + 4= 5+ 4= 1 + 4 +4 = 1 + 8 = 9 Add To: Change Unknown Level 1: N/A Level 2: Counting On 5 + = 9 Say 5, and then, using your fingers to model, 6, 7, 8, 9 Level 3: Rearrange 5 + = 9  9...

Step 2 of 3

Step 3 of 3

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