Chapter 8 - Polynomials and Factoring - 8-3 Multiplying Binomials - Standardized Test Prep - Page 491: 53

A

Work Step by Step

If $|x+3|=7$, then by the definition of absolute value $x+3=7\ or\ x+3=-7$ $x+3-3=7-3\ or\ x+3-3=-7-3$ $x=4\ or\ x=-10$

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