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noname [10]
3 years ago
10

Is x = 7 a solution to the equation 3x = 21? yes no WHICH ONE??

Mathematics
2 answers:
cricket20 [7]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

because when you plug in 7 it equals 21, so x=7 is a solution

Veronika [31]3 years ago
4 0

Answer:

yes.

Step-by-step explanation:

if you plug 7 into x it'll be 3x7 and that will equal 21

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