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TruBoi6996 TruBoi6996
  • 30-06-2016
  • Mathematics
Answered

what is the value of a in the equation 5a-10b=45, when b=3

Verified Answer :

wboast
wboast wboast
  • 30-06-2016

5a - 10b = 45
5a = 45 + 10b
a = (45 + 10b) / 5
a = 9 + 2b

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lasrtamaya
lasrtamaya lasrtamaya
  • 30-06-2016

5a-10b=45
5a-10(3)=45
5a-30=45
5a-30+30=45+30
5a=75
5a/5=75/5
a=15

Answer Link

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