What is the solution to x + 9 = 21? O A. x = 30 B. x = 18 O c. x = 12 O D. x= 9

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asked Nov 27, 2022 235k views

2 votes

What is the solution to x + 9 = 21?

O A. x = 30
B. x = 18
O c. x = 12
O D. x= 9

Mathematics
college

PeteW asked

by PeteW

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2 Answers

9 votes

Answer:

x=12

Explanation:

x+9-9=21-9

x=12

hope this helps !!

Krunal Vaghela answered Nov 30, 2022

by Krunal Vaghela

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8 votes

Answer:

First we need to isolate x. To do this, we have to subtract 9

x = 12!

Explanation:

Jonathan Gagne answered Dec 1, 2022

by Jonathan Gagne

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