find the points of intersection by solving the simultaneous equations x^ + y^ = 13 y=x+1

Question

x^ + y^ = 13

y= x + 1

Answer 1

answer is y=3 x=2 but how do you show working out

Answer 2

Find the point(s) of intersection of the following system of equations:3y-x^3= and 6x^2+6y^2=150

Answer 3

what is the intersection point for 4. 2.222 and 9, 0 and -9, -36 and 3,0

4, 2.2222

9,0

-9, -36

3,0