Answer:
Step-by-step explanation:
9{[(9×9-10)-2]-5}
=9{[(81-10)-2]-5}
=9{[71-2]-5}
=9{69-5}
=9(64)
=576
Q. 4.
-> $3,333
Q. 5
-> $40,000
2x - 12 + 6 = 4x - 4
2x- 6 = 4x - 4
-6 +4 = 4x - 2x
-2 = 2x
x= -2/2
x = -1
