Question

If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the second equation is substituted into the first equation.
3x + 2y = −21
x − 3y = 4

Answer 1

What are your answer choices? I’m not sure which equation they are asking for?

The solution to this system of equations is
X= -5
Y= -3