Question

help solving inequalities? x – 7 > –3.1

Answer 1

x-7>-3.1
x-7+7>-3.1+7
x>3.9

Answer 2

x>39/10

Answer 3

39/10 = 3.9
It is the same

Answer 4

3.9
=3.9/1
=((3.9)(10))/((1)(10)) <--- multiply numerator and denominator by 10 at the same time
=39/10