Sagot :
Answer:
1 Add 9 to both sides.
5x=9+9
2 Simplify 9+9 to 18
5x=18
3 Divide both sides by 5.
x=\frac{18}{5}
x=
5
18
Done
Decimal Form: 3.6
Step-by-step explanation:
(5 x - 9 ) (9 x 9 )
(5 x - 9 ) ( 81 )
( 5 x 81 = 405 )
( 9 - 405 = 396
Answer = 396