anonymous
  • anonymous
would you use substitution or elimination to solve each of the following systems? a. {y=2x+1 y=3x-2 b. {x=3y-1 3x+5y+4 c.{4x-3y=4 3x+5y=16
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
1 st one i think both methods are cool
anonymous
  • anonymous
2nd sub nd third elimination
anonymous
  • anonymous
how are they substitution and elimination tho?

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anonymous
  • anonymous
substitution let the value of y in the A) 1st equation be the value of y in the second equation
anonymous
  • anonymous
u kno sub method it means u put value of variable obatained from an eq into another eq......
anonymous
  • anonymous
sorry im new to all this algebra stuff lol
anonymous
  • anonymous
like check the secon eq......u have the eqn for x...... nd u can put that easily in 3x+5y+4
anonymous
  • anonymous
wow um ther's an = missing
anonymous
  • anonymous
opps b. {x=3y-1 3x+5y+4
anonymous
  • anonymous
i think it's 3x+5y = 4
anonymous
  • anonymous
omg i just did that ughh lol
anonymous
  • anonymous
so what about the third problem how is it elimination?
anonymous
  • anonymous
coz it's not substitution.............it's kinda hard to isolate a variable(x/y) from either of the eqns........
anonymous
  • anonymous
oh okay thanks :)

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