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Help me! 7 + x = 21 x = ?
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2 votes
Help me!

7 + x = 21

x = ?

User Miguel Stevens
by
7.9k points

2 Answers

5 votes
The anawer should be 14 because 7+14=21
User Sivanraj M
by
8.0k points
3 votes
Solve for x:-

7 + x = 21
x = ?
Inverse operation
21 - 7 = x
21 - 7 = 14
x ⇒ 14

Check:-
7 + x = 21
x ⇒ 14
7 + 14 = 21
Yes, correct!

x ⇒ 14
User Kellie
by
8.6k points
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