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Using substitution, which value of x makes this equation true? 3+x = 10 A. 13 B. 7 C. -7 D. -13
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23 votes
23 votes
Using substitution, which value of x makes this equation true?

3+x = 10

A. 13
B. 7
C. -7
D. -13

User Amol Kolekar
by
3.2k points

2 Answers

28 votes
28 votes
B.

x=7.

Step by step:

x+3=10.

x=7.

(I subtracted 3 on both sides)

Hope this helped!! :)
User Namphibian
by
3.3k points
26 votes
26 votes

Answer:

The answer is B. 7

Explanation:

3 + x = 10

3 + 7 = 10

User Monsabre
by
2.6k points
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