Matlab - Solucionar sistemas en matlab

clear all

 syms a b x c

       y=8*a + 6*b + 8*b*x + 2*c*exp(-2*x)-(2*x+3*exp(-2*x))

       coefs_exponencial=coeffs(y,exp(-2*x));

       coef_exp=coefs_exponencial(2)

       coefs_exponencial1=coeffs(y,x);

       y1=coefs_exponencial1(1);

       coef_x=coefs_exponencial1(2)

       coefs_exponencial2=coeffs(y1,exp(-2*x));

       constantes=coefs_exponencial2(1)

>> coeficientes

y =

8*a + 6*b - 2*x - 3*exp(-2*x) + 8*b*x + 2*c*exp(-2*x)

coef_exp =

2*c - 3

coef_x =

8*b - 2

constantes =

8*a + 6*b