Algebra 1
posted by deedee .
17) Simplify
[32/8]/1/2
Answer: 8
18) Add
7+(9)
Answer: 16
19)Solve
7(3x 2)=28
Answer:x=2
20)Solve using the addition principle
6.4=x3.7
Answer:x=10.1

1820 look good.
However, in 17, 32/8 = 4. Divided by 1/2 (multiplied by 2) = 8 rather than 8.
I hope this helps. Thanks for asking. 
Thank You! I am only having problems with 9 more questions.
2)find x when x=92/29
Answer: 92/29
7)use cummutative law to find and equivalent expression
73+yz
answer: I don't even know where to start with this one