michxle michxle
  • 17-12-2018
  • Mathematics
contestada

Solve each system by substitution method x+y=4 y=3x

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deandradog deandradog
  • 17-12-2018
x+y=4 y=3x
x+3x=4
4x=4
divide both sides by 4
x=1
Answer Link

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