Question: How do I solve a two variable algorithm using the secant method?

I need to find the intersection points of two circles (x-7)^2+(y-2)^2=100 and (x-11)^2+(y-5)^2=75 using the modified Newton secant method. 

I have already done this by using these two equations to make one in terms of x. But, i am looking for suggestions on how to make a multiple variable version of the secant method.

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