Chapter 1 - Foundations for Algebra - 1-5 Adding and Subtracting Real Numbers - Lesson Check: 6

$-7$ $1.5-8.5=-7$

Work Step by Step

If we have 1.5 and take away 8.5, we are left with -7. In other words, if we start at 1.5 on the number line and move 8.5 units to the left, we are at -7. Thus, we conclude: $1.5-8.5=-7$

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