18-20 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.
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=x-3.7
Answer:x=10.1
2 answers
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
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
1 answer