To “cancel out the the 8 you would multiply by 8 on both sides and then you would be left with 48=-w. With that you would find the opposite of 48 and w and w=-48
Interest = (PRT)/100 = (1200×4×1)/100 = $48
Answer:

Step-by-step explanation:

Don't mind the 
Answer:
-7
Step-by-step explanation:
21 ÷ (4+3) - 10
=> 21 ÷ (7) - 10
=> 3 - 10
=> -7
Answer:
1/42
Step-by-step explanation:
1/7 ÷ 6/1
1 x 1 = 1
------------
7 x 6 = 42
1/42
already simplified to the fullest
hope that helps!