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Anonymous Anonymous
  • 01-02-2017
  • Mathematics
Answered

how do I solve the system 2x=y-10,x+7=y

Verified Answer :

LammettHash
LammettHash LammettHash
  • 01-02-2017

\(y=x+7\implies 2x=y-10=(x+7)-10\implies x=-3\)

Plug this into either equation (I'll use the second) to find \(y\).

\(y=-3+7=4\)

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