anonymous
  • anonymous
A system of equations is shown below: Equation A: 4c = d − 8 Equation B: c = 5d + 8 Which of the following steps should be performed to eliminate variable d first? Multiply equation B by 4. Multiply equation A by −5. Multiply equation A by 4. Multiply equation B by 5.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
@Godlovesme
Godlovesme
  • Godlovesme
so if u want to eliminate d we should have two opposite but the same constant like in this case we have 5d in the second equation so we want the first one to have the same constant (5) but with different sign got it?
anonymous
  • anonymous
yes

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Godlovesme
  • Godlovesme
so what do u think is the asnwer?
anonymous
  • anonymous
D
Godlovesme
  • Godlovesme
close but remember it has to be a different sign, in the second eqn we have positive 5 so we need ....
anonymous
  • anonymous
-5
Godlovesme
  • Godlovesme
awesome :D
Godlovesme
  • Godlovesme
u got the asnwer right? :P
anonymous
  • anonymous
b thanks!!!!!!!!!!!
Godlovesme
  • Godlovesme
anytime(:

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