NY,NY
  • NY,NY
2=a/5
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
Hi there. Try multiplying both sides by 5; what do you get?
NY,NY
  • NY,NY
hi =) 10=a?
anonymous
  • anonymous
that's great -- now just simplify!

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lilg132
  • lilg132
2*5 = a/5 * 5
anonymous
  • anonymous
yep, a = 10!
NY,NY
  • NY,NY
so whenever thers a prob like this, i have multiply the denominator, or whichever number in the fraction by the other side?
lilg132
  • lilg132
yes
lilg132
  • lilg132
if it is next to the variable
lilg132
  • lilg132
*with the variable
anonymous
  • anonymous
Basically, yes, your goal is to "isolate" the variable. Meaning, if it says "a - 5 = 4", you add 5 to both sides. Your goal is to get just the variable on one side, and everything else on the other.
anonymous
  • anonymous
And to do the isolation, you must do the same thing to both sides of the equation at each step. As long as you do the same thing to both sides, the equation will keep being true.
NY,NY
  • NY,NY
thanks so much =)
anonymous
  • anonymous
sure thing
lilg132
  • lilg132
no medal?
NY,NY
  • NY,NY
lol, there you go

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