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natperal
30.07.2019 •
Mathematics
Find the missing so that the equation has no solutions. ? x+3=3(-x+7)
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Ответ:
?x+3=-3x-21
?x = -3x-21-3
?x +3x = -24
(?+3) x = -24
the equation has no solutions if (?+3)=0
?+3=0
? = -3
Ответ: