Question

Which of the following is usually the second step in solving a system of nonlinear equations by substitution?

A.) Isolating a variable in one the equations
B.) Substituting a value in place of one of the variable to find the remaining variable
C.) Adding the two equations together
D.) Replacing one variable in the nonlinear equation with an equivalent expression

Really need help with this!

Answer 1

B is the correct answer.

Answer 2

Ah, no, B is correct, sorry, typo.

Answer 3

Because in the first step we isolate the variable and in the second step we put that isolated variable in the equivalent variable ...

Answer 4

Yes, Haseeb96 is correct.

Answer 5

U r also correct my boy..

Answer 6

Yes, but that is the first step =P

Answer 7

Thanks guys!