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asalimanoucha2v
24.06.2019 •
Mathematics
Solving equation and inequalities a-2/3 > a+4 answers are a> -7 a< -7 a> 5/2 a< -5 which of the above is correct?
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Ответ:
a<-7
Step-by-step explanation:
To remove the denominator 3, we multiply both sides by 3
a - 2 > 3(a+4)
distribute 3 inside the parenthesis
a- 2 > 3a +12
subtract 3a on both sides
-2a - 2 > 12
add 2 on both sides
-2a > 14
Divide by -2 on both sides
Flip the inequality symbol we we divide by negative number
a < -7
Ответ:
I just plugged it into the midpoint formula