drinkthejuice
drinkthejuice drinkthejuice
  • 31-01-2017
  • Mathematics
contestada

how to i make this number sentence correct with adding parenthesis?
4² + (-3) - (-5) * 2 = 20

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apologiabiology
apologiabiology apologiabiology
  • 31-01-2017
4^2=16, I don't think parenthsees can change that in this equaiton
16+?=20
so then -3-(-5)*2=4, with parenthasees
I see
2*2=4 so
(-3-(-5))=(-3+5)=2


so then
4²+(-3-(-5))*2=20 is true
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