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Anonymous Anonymous
  • 19-12-2014
  • Mathematics
Answered

Solve using the substitution method

3x+5 =y. 3= 2y +x

The x coordinate is ?

Verified Answer :

AwfulLife
AwfulLife AwfulLife
  • 19-12-2014

3x+5 =y

3= 2(3x+5) +x
3=6x+10+x
3=7x+10

-7=7x

x=-1 :))

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konrad509
konrad509 konrad509
  • 19-12-2014

\(3x+5=y\\ 3=2y+x\\\\ 3=2(3x+5)+x\\ 3=6x+10+x\\ 7x=-7\\ x=-1\)

Answer Link

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