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OpenStudy (anonymous):
Determine which value is a solution to the open sentence. 3 + 6x = 21 A. 18 B. 3 C. 4 D. 12
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OpenStudy (anonymous):
Will give a medal.
OpenStudy (radar):
Hmm 6x + 3= 21. what would 6x = without the three?
OpenStudy (radar):
Well let me think, that would be 3 less......or 21-3 = 18 Gee, I can now write it as 6x=18. Oh goodness 6 times what is 18......will I need a calculator. This is algebra.
OpenStudy (anonymous):
B
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