Which of the following is usually the last step in solving a system of Nonlinear Equations by substitution ?

Answer:
B
Step-by-step explanation:
Substitute the value(s) from Step 3 into either equation to solve for the other variable.
Answer: Hence, Option 'B' is correct.
Step-by-step explanation:
Methods of solving the systems of non linear equations:
So, the last step would be Option 'B'.
Hence, Option 'B' is correct.