X = 9
you multiply both sides by 3 because you have to get rid of it and what you do to one side you do to the other then you divide both sides by 2 to isolate the variable. i hope that makes sense.
Is there a pic for the problem ?
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Step-by-step explanation:
-7x-3=21 then 21x-1=-21
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very funny and 14
Step-by-step explanation:
Answer:
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