anonymous
  • anonymous
1. Simplify the following expression showing all steps and explain how the order of operations is applied in each step as the expression is simplified. Be sure to include the rules for addition, subtraction, multiplication, division, and the use of grouping symbols in the explanations of the steps used to simplify the expression. [(7 + 3) • 5 – 4] ÷ 2 + 2
Mathematics
katieb
  • katieb
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Michele_Laino
  • Michele_Laino
here we have to do the addition first, so: what is 7+3=...?
anonymous
  • anonymous
4
anonymous
  • anonymous

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Michele_Laino
  • Michele_Laino
7+3=10
anonymous
  • anonymous
oh oh lol sorry i taught you said 7-3, yeah its 10
Michele_Laino
  • Michele_Laino
ok! now we have to do the multiplication: 10 * 5=...?
anonymous
  • anonymous
50
Michele_Laino
  • Michele_Laino
then we have to do the subtraction: 50-4=...?
anonymous
  • anonymous
46
Michele_Laino
  • Michele_Laino
Now i divide by 2: 46:2=...?
anonymous
  • anonymous
23
Michele_Laino
  • Michele_Laino
finally we have to do the addition: 23+2=...?
anonymous
  • anonymous
25
Michele_Laino
  • Michele_Laino
correct! you got the result
anonymous
  • anonymous
25?
Michele_Laino
  • Michele_Laino
yes!
anonymous
  • anonymous
25 is the answer??
Michele_Laino
  • Michele_Laino
yes!
anonymous
  • anonymous
can you put everything step by step together like everything?
Michele_Laino
  • Michele_Laino
ok!: step #0 [(7 + 3) • 5 – 4] ÷ 2 + 2 step #1 [10 • 5 – 4] ÷ 2 + 2 step #2 [50 – 4] ÷ 2 + 2 step #3 46 ÷ 2 + 2 step #4 23 + 2 step #5 25
anonymous
  • anonymous
thank you!!!!!!
Michele_Laino
  • Michele_Laino
:)
anonymous
  • anonymous
ok thanks for your help bye.

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