y=x-3
Substitute into the first equation
x^2=(x-3)^2+39
x^2=x^2-6x+9+39
solve fo x
solve by substitution method
x^2=y^2+39
x-y=3
2 answers
would it be (8,-5)
x^2=y^2+39
x-y=3
2 answers