Question

lplz tell it's ans plz​

Answer 1

Answer:

x=8

Step-by-step explanation:

x+y= 90

and we have,

y=9x+10 let's put it in above eq.

we get,

x+9x+10=90

10x+10=90

x+1=9

x=8

hope it will help you

please mark my ans as brainlist