How do you solve system of equations by substitution?
The method of substitution involves three steps: Solve one equation for one of the variables. Substitute (plug-in) this expression into the other equation and solve. Resubstitute the value into the original equation to find the corresponding variable.
How do I solve the system of equations?
To solve a system of equations using substitution:.
Isolate one of the two variables in one of the equations..
Substitute the expression that is equal to the isolated variable from Step 1 into the other equation. ... .
Solve the linear equation for the remaining variable..
What is substituting method?
The substitution method is the algebraic method to solve simultaneous linear equations. As the word says, in this method, the value of one variable from one equation is substituted in the other equation.