Question

dau cororoanaa!!!!!!!!!!!!!

Answer 1

-3 < a <2

a) -3×2 < 2a <2 ×2
-6 < 2a < 4

$b) \: \frac{ - 3}{2} < \frac{a}{2} < \frac{2}{2}$
$\frac{ - 3}{2} < \frac{a}{2} < 1$

c) (-3)-1 <a-1 < 2-1
-4 < a-1 < 1

d) (-3)×(-3)< -3a < 2×(-3)
9 < -3a < -6

e)2- (-3) < 2-a < 2-2
5 < 2-a < 1


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