Question

Twice x is decreased by9 gives 11

Answer 1

Hey...
according to question...

2x-9=11
2x=19
x=9.5

Hope it helps...
Thank you..!!

Answer 2

twice x= 2x,
therefore equestion= 2x-9=11
=2x=11+9=20
=x=20/2
=x=10