Can someone please help me with this question please please help me I really really need help please.

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36