i keep gettin a decimal or a zero on this problem

Question

-3(3x+15)-(10+X)=35

PLEASE HELP

Answer 1

-3(3x+15)-(10+X)=35

-9x -45 -10 - x = 35
-10x = 35 + 55
x = 90/-10
x = -9

Answer 2

-3(3x+15)-(10+X)=35
-9x - 45 - 10 - x = 35
-10x - 55 = 35
-10x = 90
x = -9

Answer 3

ty