Question 33
When solving a system of two linear equations using the substitution method, what are you looking to do exactly?
Substitute the value of this variable back into one of the original equations to find the value of the other variable
Step 1 :Solve one of the equations for one variable
Step 2 :Substitute this expression into the other equation
Step 3 :Solve the resulting single-variable equation
Step 4 :Substitute the value of this variable back into one of the original equations to find the value of the other variable