3rd level; Solve linear equations Using an equation to solve a word problem.. An equation is a mathematical expression that features an equals sign. Solving an equation means finding a missing ...

Solving an equation means finding the value or values for which the two expressions are equal. This means equations are not always true. In the example above, \(3x + 5 = 11\), the only correct ...

More fundamentally, linear systems feature in many basic optimization problems in computer science that involve finding the best values for a set of variables within a system of constraints. If we can ...