anonymous
  • anonymous
Solve the equation 21=x-15
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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Vocaloid
  • Vocaloid
add 15 to both sides
anonymous
  • anonymous
21=x-15 +15 +15 36 =×-30
anonymous
  • anonymous
What do I do next is it correct

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More answers

anonymous
  • anonymous
Yes x=36
anonymous
  • anonymous
So its correct
anonymous
  • anonymous
yes
kva1992
  • kva1992
the answer is sorta correct
anonymous
  • anonymous
Its 36-15=21
anonymous
  • anonymous
Can you show me how to do it then please
anonymous
  • anonymous
not 30
kva1992
  • kva1992
I mean the answer is correct but yeah its not 30 the 15 cancels
anonymous
  • anonymous
Medal?
Vocaloid
  • Vocaloid
21=x-15 21 + 15 = x - 15 + 15 36 = x
anonymous
  • anonymous
.................................
kva1992
  • kva1992
there you go
anonymous
  • anonymous
What about this one n-13=8
kva1992
  • kva1992
same thing instead of an x its just a n treat it like you would treat a x
anonymous
  • anonymous
So n-13=8 +13 +13 n- 26 =21
kva1992
  • kva1992
nope n-13=8 +13 +13 n=21 -13 +13 =0
kva1992
  • kva1992
dont forget to cancel
anonymous
  • anonymous
Oh ok
anonymous
  • anonymous
What about -44=w+32 -44 -44 W=-76
kva1992
  • kva1992
yeah thats pretty much it
kva1992
  • kva1992
try to keep the variable on its own side but you pretty much got it
kva1992
  • kva1992
oh and also when you try to cancel you have to add the opposite from one side so if its -44 you add 44 to cancel not subtract 44

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