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lalikespot
lalikespot lalikespot
  • 28-08-2016
  • Mathematics
Answered

what is y?

2(-3y-6)+4(5y-8)=92

I got 9.5 but when I checked it, I couldn't seem to get the right one.

Verified Answer :

dalendrk
dalendrk dalendrk
  • 28-08-2016

2(-3y - 6) + 4(5y - 8) = 92    |use distributive property: a(b - c) = ab - ac

-6y - 12 + 20y - 32 = 92

14y - 44 = 92    |add 44 to both sides

14y = 136    |divide both sides by 14

y = 136/14

y = 68/7

y = 9 5/7

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