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stormybrenizer
stormybrenizer stormybrenizer
  • 22-02-2017
  • Mathematics
Answered

How to solve this using substitution. Y=3x and x+y=4

Verified Answer :

pickemgirls pickemgirls
  • 22-02-2017

plug 3x into the second equation and solve for x. then plug x into the first equation to solve for y.

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elsamelka
elsamelka elsamelka
  • 22-02-2017

x+3x=4

4x=4

x=1

 y means 3x so 3 times1
y will be 3

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