Learn how to solve simultaneous equations using substitution, algebraic and graphical methods with this BBC Bitesize Key Stage 3 Maths guide, then practise with examples and test questions.

You can use a SOLVE statement to solve the nonlinear equation system for some variables when the values of other variables are given. Consider the demand and supply model shown in the preceding ...

Anyway, you can arrange those equations to be linear in the variables C, B and AC. Then you can solve that system with either of those methods.

This article considers a classical linear simultaneous equations model with random coefficients on the endogenous variables. Simultaneous equations models are used to study social interactions, ...

Quadratic equations are polynomials, meaning strings of math terms. An expression like “x + 4” is a polynomial. They can have ...