To provide the step by step tutoring service like a human tutor, an intelligent tutoring system (ITS) for math word problem solving (MathITS) is proposed in this paper. The proposed MathITS has an ...

In system engineering problems, there often exist complex relations between variables which include equations, restrictions, and objective functions to be minimized. The solve method of the System ...

Subtract the first equation from the second equation and solve for y. Substitute the value obtained for y into either of the original equations. or 3. Solve the following system of equations by ...

John Clement, Algebra Word Problem Solutions: Thought Processes Underlying a Common Misconception, Journal for Research in Mathematics Education, Vol. 13, No. 1 (Jan., 1982), pp. 16-30 ...