Question

The last one should be correct too :)

Answer 1

start with
\[-9<2x+3<9\] and solve that in two steps
a) subtract 3
b) divide by 2

Answer 2

-9 < 2x < 6
-9 < x < 3?

Answer 3

no

Answer 4

\[-12<2x<6\]
\[-6<x<3\]

Answer 5

im still lost on how you got -12 < 2x < 6

Answer 6

subtracted 3 all the way across

Answer 7

oh i see now
thankyou :)

Answer 8

you seem to have ignored the \(-9\) on the left, you have to subtract three from that as well

Answer 9

yw