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After losing 3 baseball cards, Peter gave half of his remaining cards to Bobby. If Peter gave Bobby 9 baseball cards, how many cards did Peter start with? Linear equation: (x-3) = 9 Bobby claims that Peter started with 21 cards. Which statements are true about verifying Bobby's claim? Check all that apply. Substitute 21 for x in the original equation. O Substitute any number for x in the original equation. O Bobby's claim that x = 21 is correct. The result of verifying Bobby's work is 9 = 9, The result of verifying Bobby's work is 21 = 21.

After losing 3 baseball cards, Peter gave half of his remaining cards to Bobby. If Peter gave Bobby 9 baseball cards, how many cards did Peter start with? Linear equation: (x-3) = 9 Bobby claims that Peter started with 21 cards. Which statements are true about verifying Bobby's claim? Check all that apply. Substitute 21 for x in the original equation. O Substitute any number for x in the original equation. O Bobby's claim that x = 21 is correct. The result of verifying Bobby's work is 9 = 9, The result of verifying Bobby's work is 21 = 21.

Algebra: Structure And Method, Book 1
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter8: Introduction To Functions
Section8.4: The Slope-intercept Form Of A Linear Equation
Problem 45WE
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After losing 3 baseball cards, Peter gave half of his remaining cards to Bobby. If Peter gave Bobby 9 baseball cards, how many cards did Peter start with? Linear equation: (x-3) = 9 Bobby claims that Peter started with 21 cards. Which statements are true about verifying Bobby's claim? Check all that apply. O Substitute 21 for x in the original equation. Substitute any number for x in the original equation. Bobby's claim that x = 21 is correct. The result of verifying Bobby's work is 9 = 9, The result of verifying Bobby's work is 21 = 21.
Transcribed Image Text:After losing 3 baseball cards, Peter gave half of his remaining cards to Bobby. If Peter gave Bobby 9 baseball cards, how many cards did Peter start with? Linear equation: (x-3) = 9 Bobby claims that Peter started with 21 cards. Which statements are true about verifying Bobby's claim? Check all that apply. O Substitute 21 for x in the original equation. Substitute any number for x in the original equation. Bobby's claim that x = 21 is correct. The result of verifying Bobby's work is 9 = 9, The result of verifying Bobby's work is 21 = 21.
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