hello , for my project i should somehow solve 4 equations with 4
unknowns (something like
 r^2 -x^2 = (r+A1)^2 - (200-x)^2        eqn.1
r^2 -y^2 = (r+A2)^2 - (200-y)^2 eqn.2
r^2 -z^2 = (r+A3)^2 - (100-z)^2         eqn.3
y^2 + z^2 = r^2 - x^2                   eqn.4

 i have the values for A1 A2 A3 and asked to find the r,x,y and z
values.)

i am using 16f84, is  64 bytes ram area is enough and if it is so how
to do?
 i consider using MATLAB but i dont know how to implement MATLAB
toolbox to the pic?
thanks,

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