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Find the value of the variable x in the equation x – 21 = 8. A. –13 B. 13 C. 29 D. –29
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Find the value of the variable x in the equation x – 21 = 8. A. –13 B. 13 C. 29 D. –29

User Matheus Moreira
by
6.0k points

2 Answers

4 votes

Answer:

C. 29

Explanation:

x - 21 = 8 add 21 to both sides

x - 21 + 21 = 8 + 21

x = 29

User Olan
by
6.0k points
6 votes

Answer:

C. 29

Explanation:

x – 21 = 8

Add 21 to each side to isolate x

x-21+21 = 8+21

x = 29

User Anergy
by
6.1k points
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