Systems of linear equations: Systems of linear equations
The notion of a system of linear equations
Solve the system of equations \[\lineqs{4 x + 1 &=& 9x-9 \cr 6 x + 7 &=& 7 x +5 \cr}\] in \(x\). Give the answer in the form \(none\) if there is no solution, otherwise in the form \(x=a\) for a suitable number \(a\).
Unlock full access
