Answer:
x = 12
Step-by-step explanation:
(6x-2) + 20 = 90
6x-2 = 70
6x = 72
72 / 6 = 12
I can't see the picture sorry
number 7: always bisect
90*.1=9
90-9=81
81
190*.200=38
190-38=152
152
