Solving an equation means finding the value or values for which the two expressions on each side of the equals sign are equal. One of the most common methods used to solve equations is the balance ...

Solving an equation means finding the value or values for which the two expressions on each side of the equals sign are equal. One of the most common methods used to solve equations is the balance ...

Solving equations with light. (Courtesy: iStockphoto/Henrik Jonsson) 3 x + y = 2 x + 3 y = 0 It’s the sort of easy maths problem that you can work out in a few minutes using pencil and paper, but ...

Bradley W. Dickinson, Solution of Linear Equations with Rational Toeplitz Matrices, Mathematics of Computation, Vol. 34, No. 149 (Jan., 1980), pp. 227-233 ...

With this example, it will insert the value "21," the equation's solution, into cell A1. Repeat the previous steps with each of the equations you want to solve.

Its newly unveiled PhotoMath for iOS and Windows Phone (Android is due in early 2015) uses your smartphone's camera to scan math equations and not only solve them, but show the steps involved.