✨ Best Answer ✨
2ax+7x<7+2a
x(2a+7)<2a+7
因為2a<-7，2a+7<0
所以除以2a+7不等號會變號，小於變大於
x>(2a+7)/(2a+7)
x>1
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✨ Best Answer ✨
2ax+7x<7+2a
x(2a+7)<2a+7
因為2a<-7，2a+7<0
所以除以2a+7不等號會變號，小於變大於
x>(2a+7)/(2a+7)
x>1
Users viewing this question
are also looking at these questions 😉
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