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Need help on this problem
- Thread starter J_Barber
- Start date
Let's try it a different way. Show us how you are working it out so we can see where you are going wrong.I am trying to work this problem and can't seem to get the same answer as the book.
-4-3[2-(-5+3)]-8x22
If someone could work it out so I can see the order of operations i would greatly appreciate it!
Thanks!
What answer does your book give?Sure.. here is how I have been working it.
-4-3[2-(-5+3)]-8x22
Is x a variable or a multiplication sign? Use *, not x, for multiplication in algebra to avoid confusion. I am going to assume that it means multiplication, but if I am wrong in that assumption we are not going to get the intended answer.
-4-3[2-(-2)]-8x4 First step is fine.
-4-3[4]-32 This is good too (assuming x means multiply).
-7[4]-32 WHOA PEMDAS Multiplication before addition. - 4 - 12 - 32 = -16 - 32 = -48
-28-32
= -60
Please remember in the future to show your work of if you cannot get started ask for a hint to get started. We provide help, not answers.
Multiply before addingSure.. here is how I have been working it.
-4-3[2-(-5+3)]-8x22
-4-3[2-(-2)]-8x4
-4-3[4]-32
-7[4]-32 X -4 - 12 - 32
-28-32
= -60
What answer does your book give?
Please remember in the future to show your work of if you cannot get started ask for a hint to get started. We provide help, not answers.
The book's answer is -48 and yes the "x" means multiply. I agree I should have use the "*" instead. My bad. I see where I went wrong now, in the future I will work out any problems I have instead of just posting the problem. After all I'm not looking for just an answer, I need to know how to work through the problem.
Thanks!
:-D
JB