Learn how to solve a system of equations by substitution. The solve by substitution calculator allows to find the solution to a system of two or three equations in both a point form and an equation form of the answer. 2x x 2 11 3x 2 11 3x 9 x 3.
To solve using substitution set both equations equal to each other if they both equal y.
This will be the sample equation used through out the instructions. Plugging the substitution back in and solving for y gives us yleft x right frac19left x - ln left 9 - cbfex right right Next apply the initial condition and solve for c. So x 1 y. The simultaneous equations are also known as the system of equations in which it consists of a finite set of equations for which the common solution is sought.