For an equation, the expression on the left hand side is equal to the expression on the right hand side. This means the equation is balanced. We need to find a value for \(a\) which keeps this balance ...
Most linear algebra courses start by considering how to solve a system of linear equations. \[ \begin{align} a_{0,0}x_0 + a_{0,1}x_0 + \cdots a_{0,n-1}x_0 & = b_0 ...