Having lowered the bar for the sense in which we hope to solve a system of linear equations ... Will the quantum solution of linear equations 3 turn out to be a widely used tool, or are its ...

This means equations are not always true. In the example above, \(3x + 5 = 11\), the only correct solution for \(x\) is 2. An identity is an equation which is always true, no matter what values ...