Is x = 7 a solution to the equation 3x = 21?
yes
no
WHICH ONE??
2 answers:
Answer:
Yes
Step-by-step explanation:
because when you plug in 7 it equals 21, so x=7 is a solution
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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