Question

What are the solutions to the following system of equations?
y = x2 + 3x − 7
3x − y = −2

Answer 1

solving the second equation for y I get:
\[\Large y = 3x + 2\]
Now substitute into the first equation, what do you get?

Answer 2

hint:
\[\Large 3x + 2 = {x^2} + 3x - 7\]
am I right?