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Solving Systems of Linear Equations using Substitution

Solving Systems of Linear Equations using Substitution 1.6 - Solution

arrow_back Return to Solving Systems of Linear Equations using Substitution
a
In the second equation the -value is given. Let's substitute it into the first equation.
The solution to the system of equations is
b

Here the value of is given in the first equation. Let's substitute for in the second equation and solve the resulting equation.

The solution is

c
Here we want to solve the following system of equations. In Equation (I) the variable is isolated. Let's substitute for in Equation (II) and solve the resulting equation for
To find the value of we will substitute for in Equation (I).
Thus, the solution to the system is