Systems of Linear Equations: Two Linear Equations
Solving systems of equations by elimination
What is true about the following system of equations?
\[\lineqs{4y-x-4 &=& 0\cr 21y-5x-9 &=& 0\cr}\]
\[\lineqs{4y-x-4 &=& 0\cr 21y-5x-9 &=& 0\cr}\]
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