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  • 25-04-2018
  • Mathematics
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What is the value of a equation of a in the equation 5a - 10b = 45 when b = 3

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MrGumby
MrGumby MrGumby
  • 26-04-2018
15. 

You'd get this by multiplying the -10 by 3 then adding it to both sides. Then divide by 5. 
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Robinson555
Robinson555 Robinson555
  • 26-04-2018
5a-10b = 45
b= 3
5a-30 = 45
5a=75
a= 15
Answer Link

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