vshiroky
  • vshiroky
-(x+4)+2x+7
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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kva1992
  • kva1992
use pemdas and everything else is combining like terms
vshiroky
  • vshiroky
I know how to do this but I'm confused cause of the negative on the outside. This is my daughters homework lol
ShadowLegendX
  • ShadowLegendX
Distribute the negative sign to x and 4 -x -4 + 2x + 7 A good way to understand this is that there is an invisible 1 next to that negative sign, outside the parentheses, to the left. -1(x+4) It distributes and the -1 multiplies to x and 4 Thus getting -x - 4 Now we continue

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ShadowLegendX
  • ShadowLegendX
Itʻs just PEMDAS Parentheses (This is why we distributed first) Exponents Multiplication Division Addition Subtraction
ShadowLegendX
  • ShadowLegendX
Now we just move to like terms, as the other user said
ShadowLegendX
  • ShadowLegendX
-x -4 + 2x + 7 Rearrange the problem to help clear things up -x + 2x -4 + 7 This change is to help clarify what weʻre doing. We will be adding the xʻs together, and adding the regular numbers together
ShadowLegendX
  • ShadowLegendX
-x + 2x = x -4 + 7 = 3 x + 3 is your final answer
kva1992
  • kva1992
ahh yeah looks like shadow has this covered
ShadowLegendX
  • ShadowLegendX
I hope this helped, and your daughter can understand this. Good luck!

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