👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common value of the variables that makes each equation in the system true. To solve a ...
Equations that have more than one unknown can have an infinite number of solutions. For example, \(2x + y = 10\) could be solved by: \(x = 1\) and \(y = 8\) \(x = 2 ...
Simultaneous equations can be solved by plotting them on a graph but this can be time consuming. When solving simultaneous equations algebraically, the first step is to try to eliminate one of the ...